what to look for when buying a k1500
5.3-liter Chevy Engine Problems: What Should You Look Out For?
Chevy's 5.3-liter V8 is known for its long-term lifespan and trustworthiness, but no engine is without problems. What should you wait out for?
Ask any owner of a Chevy 5.3-liter V8-powered vehicle virtually its dependability, and they'll likely tell you about how they've never had any major issues with information technology. The stigma that a Chevy V8 is reliable is rooted in decades worth of history and evolution. Over the years, technology's progression has led united states to V8 engines that are trustworthy, reasonable in terms of fuel economy, and put out enough power to go wherever chance may accept us. In fact, information technology is not a rare occurrence for a five.three Chevy to go above and beyond 200,000 miles. However, no engine or automobile is entirely without flaws. If yous are in the marketplace for a Chevy 5.3 vehicle, there are some things to await out for.
Before nosotros dive into the issues, let'south accept a glance at the history of the Chevy 5.iii and what vehicles you lot might find them in.
The five.iii-liter deportation has remained the same for over 20 years now. It was first introduced in 1999 as a truck variant of the LS engine found in Chevrolet Corvettes and Camaros. Though many of the parts from an LS fit and the 5.3 are based on the same platform, the initial 5.3-liter V8 had a cast-iron engine block rather than aluminum like you'd find in the sports car going LS engine. Since so, the 5.3 has gone through three generational changes with a slew of variations between those changes.
Chevy five.3 Generations and Changes
The initial run of the Chevy 5.3-liter V8 comes in the third generation of Chevy's modest-block V8 engine. For marketing purposes, this engine is known as the Vortec 5300. As nosotros mentioned before, it start became available in 1999. You'll discover this engine in the Chevy Silverado and Avalanche as well every bit the GMC Sierra. Additionally, this engine is under the hood of SUVs similar the Chevy Suburban and Tahoe, Cadillac Escalade, and the GMC Yukon. It is also establish in work vans like the Chevy Limited and GMC Savana. The Generation Three Smallblock V8 ran until 2007.
In 2005, Chevrolet released the fourth generation smallblock V8. The name Vortec 5300 remains the aforementioned for this generation. While power did increment, this generation'due south biggest advancements are cylinder deactivation engineering science known as Active Fuel Direction. When driving in conditions that do not require full engine power, the engine volition shut off four cylinders to save fuel. This allows gen-4 5.iii equipped trucks to surpass xx MPG highway. Similar the gen-3 engines, you'll find these 5.3 V8s in but about every GM truck, SUV, and van. The gen-iv 5.3 is even so produced for use in work vans.
Finally, the fifth-generation smallblock brought a name alter for the 5.3 to the Ectotec3 v.3. This is the engine you'll find in GM trucks and SUVs from the model year 2013 and newer. These engines feature both variable valve timing and cylinder deactivation with the add-on of direct injection. Furthermore, all Ecotec3 engines are flex-fuel compatible, meaning you tin can run them on E85 without any altercations. Additionally, a hybrid version of the Ecotec3 5.3 is available, increasing the city fuel economy into the 20 MPG range.
Generation-three Vortec 5300 Problems
While the gen-three Vortec 5300 is the least complicated in terms of technology, it still has a few issues to watch out for when shopping. If you are in the market for a Chevy or GMC truck or SUV from 1999 to 2007, yous may be looking at vehicles equipped with this engine. The easiest mode to tell if a vehicle yous're looking at is a gen-3 or gen-four Vortec 5300 is to see if it has Active Fuel Direction or cylinder deactivation. If it does not, it is a gen-three engine. As always, before purchasing any vehicle, utilize our free VIN research tool to get a written report on the vehicle's life, maintenance, and accident history.
A prominent upshot you may run into with the gen-3 Vortec 5300 is gradual coolant loss due to a cracked cylinder head. While this issue was non common enough to warrant a call back, GM did issue a technical service bulletin (TSB) about the problem. The issue stems from a manufacturing flaw when the cylinder heads were produced by an outsourced company chosen Castech.
Non all Castech heads have the event, and non all Vortec 5300 engines have Castech heads, and so determining if a vehicle has or may have this event tin be a bit difficult. The near straightforward way to see if the vehicle currently has this consequence is to see if the vehicle is experiencing whatsoever engine coolant loss over time. If non, the vehicle likely does not have the consequence. Notwithstanding, if it does have Castech heads, it may eventually run into this event. A pre-purchase inspection mechanic can remove the valve covers from the cylinder head and see if the head has the Castech marking stamped into them. If they exercise, you may somewhen run across the issue.
Generation-three Vortec 5300: Additional Problems
Another issue y'all may run into with gen-three Vortec 5300 engines is the failure of intake manifolds and intake manifold gaskets. Again, in that location is no official recall for this issue. However, gaskets are wear items that eventually tend to neglect, and many higher mileage v.three engines run into this upshot. Furthermore, the intake manifolds are made of plastic and may exist prone to cracking over fourth dimension.
Symptoms of faulty intake manifolds or failed gaskets may include crude idling or stuttering and noticeable power loss when driving. In some cases, if the issue is prominent enough, information technology may crusade a check engine light for misfires. This, again, is something a pre-purchase inspection could identify.
Another issue gen-three Vortec 5300 engines commonly experience is the failure of the fuel pressure regulator. This may cause the vehicle to exist hard to outset or may even prevent it from starting entirely. Additionally, it tin cause rough idling and stuttering, poor acceleration, and prematurely fouled spark plugs. Luckily, the fuel pressure regulator is easily accessed and cheap. This is a quick and simple job for an experienced mechanic. Then, if a vehicle you're looking at has this outcome and yous can spare a solar day for it to be repaired, it may be a good mode to pick upwardly a truck or SUV cheap.
As with any machine of this age, other engine-related gaskets may be failing, spark plugs could need replacing, or there could be a buildup of engine sludge if they are not well maintained. No affair how reliable an engine is, neglect can prematurely end its service life. It's imperative to know a vehicle'southward service and repair history before purchasing.
Generation-four Vortec 5300 Issues
With advancement also comes more complex issues. While the fourth-generation Vortec 5300's Active Fuel Management cylinder deactivation system was a major leap frontward in the efficiency of V8 engines for GM, it was also ultimately one of the downfalls of this engine.
While this is yet some other issue that is not under recall, there is currently an agile form-action lawsuit regarding 2010 through 2014 Vortec 5300 engines. The lawsuit alleges that owners feel excessive oil consumption due to a combination of the Agile Fuel Management system and faulty PCV valves, which can depict oil out of the valvetrain and into the intake before it is burned in the combustion chambers. This lawsuit also claims the piston rings fail to maintain pressure in the crankcase and that a faulty oil pressure relief valve sprays oil directly at the piston skirts, overloading the rings and allowing oil to sneak past into the combustion bedchamber. Many owners are using a quart of oil every 1,500 to 2,000 miles.
Furthermore, some owners say that their oil life monitoring system does not notify them when the engine is depression on oil as it should. The combination of these issues can lead to unknowingly running the engine low on oil. Running an engine low on oil tin can cause expensive damage like begetting failures, piston ring failure, bent rods, and more. Many of these issues tin result in a necessary rebuild or entire replacement of the engine.
Overall, when shopping for a GM truck or SUV, it is best to tread lightly for these models and model years:
- 2010-2014: Chevrolet Silverado
- 2010-2014: Chevrolet Suburban
- 2010-2014: Chevrolet Tahoe
- 2010-2014: Chevrolet Avalanche
- 2010-2014: GMC Sierra
- 2010-2014: GMC Yukon
- 2010-2014: GMC Yukon XL
Generation-iv Vortec 5300: Boosted Bug
Another issue stemming from the same roots as the oil consumption trouble is the gen-four Vortec 5300'south tendency to prematurely foul spark plugs. This, once more, is an issue that is not under think. Nonetheless, GM best-selling this problem and released a technical service bulletin outlining steps necessary to repair and prevent this issue, like the gen-three cylinder head issues. The TSB outlines the fact that the valve encompass blueprint on engines built before February 1st, 2011, has a poorly designed PCV pullover that will draw oil out of the valve train and into the intake manifold and combustion chambers, exactly as the oil consumption lawsuit alleges.
Furthermore, the aforementioned TSB outlines issues with piston rings incorrectly sealing and allowing oil into the combustion chamber thanks to faults in the Agile Fuel Direction system, as the lawsuit too alleges. According to the TSB, these faults are plant on engines built before October 1st, 2010. The vehicles specifically listed in the TSB are below:
- 2007-2011: Cadillac Escalade Models
- 2007-2011: Chevrolet Avalanche, Silverado 1500, Suburban, Tahoe
- 2010-2011: Chevrolet Camaro
- 2007-2011: GMC Sierra 1500, Sierra Denali, Yukon Models
- 2008-2009: Pontiac G8 GT
Gen-four Vortec 5300s also confront similar issues with intake manifold failures that the gen-three engines feel, as they too are equipped with plastic intake manifolds.
In general, it is advisable to tread lightly when shopping in the range of 2007 to 2014 Vortec 5300 equipped vehicles. The Active Fuel Direction system can be disabled. Yet, faulty PCV systems and fouling spark plugs are still an issue. If you are looking to buy in this date range, be sure to ask for repair history to see if the TSB repairs have been done to prevent yourself from getting in hot water.
Generation-five Ecotec3 5.three Problems
The Vortec 5300 namesake was finally replaced with the fifth-gen smallblock family, starting with model year 2014 trucks and SUVs. The 5.3 engine is at present known as the Ectotec3 five.3-liter V8. The major difference between these engines and the Vortec 5300 engines is the fuel injection organisation. While Vortec engines employ port injection at the intake manifold, Ecotec3 engines are direct injected. This means the fuel is sprayed directly into the cylinder rather than into the intake manifold. About new vehicles apply straight injection as it is a more efficient and precise way to control fuel that allows better fuel economic system. However, straight injection does have 1 major flaw, and the Ecotec3 engines are not exempt.
Direct-injected engines tend to see carbon buildup on valves and the inside of the intake manifold. This is because there is no high-pressure level fuel being sprayed on them to go on them clean, every bit you lot'd see in a port injection engine. While there are cleaners that owners or mechanics can spray into the intake available to prevent excessive buildup, they volition not foreclose buildup entirely. Many direct-injected engines need their valves and intakes cleaned via walnut diggings. This is a procedure that blasts the components with finely ground walnut shells via a high-pressure level air system. Walnuts are used because they are biodegradable and are soft enough not to harm engine components while cleaning them. While this issue isn't exclusive to the Ecotec3 five.three, it is worth keeping in mind.
Excessive carbon buildup in the intake organization can cause rough idling, stuttering, misfires, and decreased power. These symptoms may become more noticeable over time as college mileage engines accumulate more carbon buildup.
Generation-v Ecotec3 5.iii: Additional Problems
Another issue Ecotec3 engine owners may see is declining fuel injectors. Given the nature of direct injection wherein fuel injectors are spraying directly into the combustion chamber, these injectors are exposed to a lot of estrus and pressure. Eventually, they may wind up failing. This can result in either a example of too much or not enough fuel, as injectors tend to fail open or closed. In either case, your engine will run incorrectly and may cause misfires and check engine lights. Though injector failure is not a premature outcome, it is certainly something to sentinel out for when looking at higher mileage Etoctec3 equipped vehicles.
As of now, this seems to exist the only business of the Ecotec3 v.3 engine. While it does even so apply the GM Active Fuel Direction cylinder deactivation applied science that caused a plethora of issues on the gen-four Vortec 5300 engines, it seems that GM has solved the issues related to excessive oil consumption.
Chevrolet 5.iii Engine Issues and Recommendations
If you're shopping for an older used five.iii equipped Chevy, your best solution to avoid any major issues is to find a depression mileage and well-maintained gen-three Vortec 5300 vehicle. Given that the major issues with oil consumption started in 2007, a 2006 or older model is a rubber bet.
If you are searching for something newer with a 5.3, then it is best to wait to models from 2014 or newer that are equipped with the Ecotec3 5.three. They offer the later Vortec 5300 engine benefits like variable valve timing and cylinder deactivation for increased fuel economy without excessive oil consumption or spark plug fouling PCV issues. Exercise go on in mind that y'all may eventually accept to pay for intake cleaning due to the direct injection system, though.
As with buying any used car, nosotros can't recommend properly researching the vehicle's VIN and service history prior to purchasing. Don't be afraid to ask questions about what has and hasn't been washed. Furthermore, many mechanics offer a pre-buy inspection that can prevent yous from ownership a auto with bug that aren't immediately obvious. This can wind upward saving you lot thousands in the long run.
Overall, a Chevy 5.3 equipped vehicle will get the chore done, whether it be driving to the grocery store or pulling a camper trailer for a weekend getaway. Knowing what to look for before ownership is half the boxing and ultimately volition land you in your perfect vehicle.
Frequently Asked Questions
Aug 30, 2021
How long will a 5.3 Chevy engine last?
A Chevrolet 5.3L engine should be able to final 200,000 to 300,000 miles depending on how you care for the engine. These engines were first introduced in 1999 and they were used through the 2009 model year. They have been referred to as the Vortec 5300 when they were used in trucks.
The Chevy 5.3L engine is known to exist very reliable because information technology was not pushed difficult by Chevrolet, and they are built very strongly. The main block of the engine is virtually indestructible, yous would have to transport a piston through the side of it to break the cake. This is a primal to making an extremely reliable engine.
When you have a Chevrolet 5.3L engine you lot volition need to exercise the normal services and supervene upon some gaskets as they wear out, simply in that location are very few reports of the engine failing and leaving drivers stranded on the side of the road.
How much HP can a 5.3 Vortec handle?
During the twenty year product run for the Chevrolet 5.3L engine, it produced 270 horsepower to 295 horsepower direct from the factory depending on the vehicle that it was in. Since at that place are so many 5.3L engines out on the market an aftermarket community has formed around the engine and they are now very modifiable.
The stock internal components for the engine are generally considered to be good to about 450 horsepower. Any more than than that and you lot will want to start getting more reinforced internal parts. If you determine to upgrade the components in the engine then y'all can get close to 600 horsepower from the five.3L engine.
Modifying and increasing the power of any engine does effect in them becoming less reliable over fourth dimension. The extra stress on the components tin cause them to fail before, and then information technology is ever a adept idea to weigh the pros and cons before you lot start modifying any engine.
What problems exercise Chevy v.3L engines accept?
The most unremarkably reported problem for the Chevrolet 5.3L V8 engine is that in that location is excessive oil consumption from them. This is caused by the Chevrolet Agile Fuel Management system that can cause the vehicle to employ 1 quart of oil for every 1,500 miles it drives. There is a known oil monitoring system problem as well and then it is a practiced idea to physically bank check your oil regularly if you lot have a 5.3L engine.
Some other problem that happens with the Chevrolet 5.3L V8 is the cylinder heads have been known to crack. This is not a common problem, but repairing it is costly. The heads that were made by Castech are the ones that are known to neglect, but there are tertiary-party options on the market to supervene upon them that final much longer.
The terminal problem is that the spark plugs have been known to fail prematurely due to excessive carbon buildup. This is pretty common on the 2007 and newer engines because of the revision to the valve comprehend pattern. Overall the Chevrolet 5.3L engine is very reliable, but there are a few problems that pop up.
Owner Reviews
David Mooney on February 20, 2022
Davidmooney55@gmail.com
I must of picked a adept year LOL! 2016 Chevrolet Silverado True Northward edition (Reside on Vancouver Isle, British Columbia, Canada) LT west/tow bundle - 5.3L83, 6sp. 6L80E trans, 4 × four. Bought the truck brand new off the lot, had a few small warranty issues as information technology sat in the rain as a demo model (ODO -164 km). Make new warranty OEM starter motor, brand new warranty OEM frazzle (waste - gate/flap issue), and the GM dealerships have been 100% - excellent in my experience. Had to have a new OEM warranty injector installed as well; got done at the same time as frazzle. ***MUST HAVES*** RANGE AFM DIABLER - OIL CATCH Tin MOBIL i EXTENDED PERFORMANCE OIL USE FUEL System CLEANER W/PEA KEEP INTAKE & VALVES Clean My truck has 70,000 km/45,000 miles on it and it runs smoother and improve than new. My 5.3 RIPS and runs Stiff. The manual is clunky once in a while but I plan to pan drop & flush with Amsoil full syn. ATF. Smoooooth on the highway, drives like new. The locking dorsum beam makes it sure - footed in the wet slop; I can drive up mountains and play in the snow drifts - Falken Wildpeak A/T3W'South = excellent A/T treads. The ONLY part I've ever had to pay money for in club to supervene upon information technology was for a burned out tail light seedling 7444. LOL. I bought the truck in December. 2016 and have ane twelvemonth and 9 months left on the 7 yr extended warranty. Love this truck. v/5 stars
Bob White on September five, 2021
2021 sierra lifter failure
Same as all the rest 8600 piece of cake miles, starts misfiring on the highway, no codes at all, dealer says keep driving bring information technology in tomorrow, probable a transmission air problem. 20 miles later dash board is a Christmas tree, also says the park brake is locked? Pulled into the dealer, barely yet running. GM has no lifter parts and is now shut down. Mine has over 8k miles and so I get the shaft, GM will merely practice fractional repair at all-time. Current new 2021 delivered trks exercise not accept AFM, toll to change out my trk for a non AFM is 13k. Does this prepare the trouble, who knows. Question is, is GM going to step upwardly and resolve this issue, or are we all going to eat this for years to come, I assume AFM engine equipped trks will have very low value very chop-chop without GM action. Already have 50k into it.
James Witt on December 13, 2021
2016 GMC Sierra Engine Code P050D at 37,076 Mileage
2019 December xx, mileage 37,076 E.C.Thousand. Code P 0 5 0 D, pickup in driveway, diagnostic check engine low-cal on solid. Accept to G.M. If light does not clear in five days, Onstar said. Veteran reports check engine calorie-free is on, advise has CPO, pull codes on truck. Order parts - one Piping 12677002, 1 Pipe 12677004, 2 Gasket 12626354, 2 Injector Kit 12698484, 5.60 Labor hours. Plant rough idle while cold. Truck plant had rough idle while ran with 5,8 misfire. Injector Remainder Test found 5,8 off from other half-dozen cylinders. Pulled injectors, inspect found heavy carbon build up on all injectors, but 5,eight beingness the worst of the viii. Replaced 5,viii injectors. Cleaned and rebuilt the remaining injectors before install. Test drove truck. Returned to veteran 2019 Dec 27.
Glenn brownish on Dec 9, 2021
5.iii engine failure
2015 Silverado 100,000 miles. The engine started ticking similar it had a miss. I had it towed in to my mechanic and $ i,800 later I was dorsum on the road but they never plant the root cause of the trouble. 2 months later same thing ticking in the engine number 7 cylinder expressionless aptitude push rod. I had it towed to a Chevy dealership they've had it 3 months and finally chosen yesterday $7,000 for a new engine. Told me information technology was starved for oil I asked why they didn't know. But afterward watching a y'all tube video I found the answer it's a bad valve cover not letting information technology get oil. I'grand currently looking for a good attorney to sue GM considering they've known nearly this defect but have washed aught nigh information technology.
Brian E. on June 25, 2021
Disappointed Silverado Owner
Today while driving habitation from piece of work in traffic, doing less than forty miles per hour and slowing down due to a red traffic light, I heard a"pop!" coming from under the hood. I kept slow down and when I came to a complete stop, the truck started shaking and I could hear a loud ticking/popping noise. I managed to bulldoze home doing less than 30 mph. I tried to look around the engine bay and heed to the sound, it is definitely coming from within the engine. I turned off the truck, turned it back on and it got worse, I barely turned on. The noise is louder at present. Now I am online doing my inquiry and run across that I am not the simply owner with the exact same issue. The engines definitely failed
Brad on January 10, 2022
I'm not that lucky
First I'd like to bespeak out most of the negative reviews are not fifty-fifty for this engine. This engines utilize was stopped in 2009. The vehicles 2010+ are not using the engine they are taking virtually. Now that that's out of the way. I have a 2007 Chevy Tahoe LTZ over 400K miles on hee.purchased summer of 2018 with 151K and the rest have been mine. Halloween nighttime 2020 I had a lifted collapse and replaced effectually 350K . This truck withal runs amazingly. I average 3-5K a month . Yes there is oil consumption but if there wasn't I'd exist more concerned. If it wasn't for the AFM causing lifted collapse I'd give this a five star.
Jeff on September 8, 2021
6.2 in a 2015 High State Silverado
77,000 miles engine starts to shake and barely runs. I limp it into the Chevy dealer in Athens Georgia. It sits there for 3 days and they never go a chance to look at it. They tell me they suspect it'southward a bent push rod. $6200 repair chore. I accept my mechanic come up and go the truck. He says bent push rod or rods for sure, they just stock-still the bosses that did the same thing. $6200 repair ticket and sold me a plug in module to deactivate the AFM. I'g done with GM, they know at that place is a problem and even accept a service bulletin out for it 15-06-01-002H dated March 2019.
Rick on June 19, 2021
Mr
Bought a 2021 Silverado RST 1500 on 19Mar21.i work on the route alot so I already have 12000 miles on the truck in June. This morning I drive the truck v miles and detect a ticking racket from the engine.certain sounds similar either a lifter or a valve failure to me.at present I have to tow this new truck to a dealer and take it fixed.i seriously doubtfulness that I will buy another Chevy anytime shortly. Did I mention I traded a 2017 silverado with a bad manual in for this new truck? SMH.come up on GM you can practise much better than this
T J on February 23, 2022
2007 ALVANCHE 1500 five.three
I A SENIOR WIDOW HAD TO FILL COOLANT ABOUT lx TO 70 MI. HAD A MECHANIC SAY I NEEDED A THERO AN IN AN OUT HEATER HOSE. I SUSPECTED IT MIGHT BE A Blown Caput GASKET, HE SAID Y'all COULD NOT Have DRIVEN IT FOR iii MOS . And then I GET TESTER FROM Automobile STORE I TESTED MYSELF IT TURN BLUE GREEN YELLOW SO I CONTACTED HIM I HAVE TO FIND ENGINE AN HE TAK OUT INSTALL 2500. I Take NO Thought WHERE TO Observe USED ENGINE AN THEY Practice Not RIP ME OF Cause I AM A WOMAN ALREADY HAD ENGINE REBUILT 6 MOS AGO FOR 2400 CAN ANYONE HELP ME FINE Skilful ENGINE
Charles Keller on August 21, 2021
Mustangbullitt2@aol.com
I purchased a 2021 Tahoe with a v.3L engine dorsum in November 2020. I now take 14,300 miles on it. Last weekend I started to feel the aforementioned problems as everyone else on this review. Dealer told me that the lifters have failed. Parts are on back society . Not sure if in that location is whatsoever other serious problems until the tech gets in to the engine. My bet is there are other serious issues. I promise we all get through this nightmare. Oh and my dealer has no loaner cars available for me to apply in the meantime
Eddy Bush on June 17, 2021
Unhappy chey owner
Accept a 2021 Chevy 1500 Silverado Z71. Texas Edition. It has 5.3L engine. At 11000 miles the engine started knocking. Parking interruption locked upwards. How vehicle towed to dealer. They said a lifter had failed when asked if this was a common occurrence I was bodacious it was not. This calendar week I found out two friends have new trucks with the 5.3L engine. Both have lifter problems one at 6000 miles and one at 11000 miles. Anyone else experiencing this outcome with the 5.3?
Rye on February xx, 2022
2016 Sierra
I wonder how much they paid this clown to write this article. Easy to see why he doesn't cartel prove his face in the blurry pic. 70k and puff! Blown lifter. Thankfully my dealer has been great with a loaner and GM is taking the sting out. Horrible though, especially for those of us that actually employ our truck to piece of work for a living only horrible for anybody really. Wouldn't wish it on my worst enemy nevermind a long time customer. Best of luck to anybody
Kenneth on August 9, 2021
five.3 engine
I bought my truck in November of2020 it's a 2021 chev z71 . My problems are just like the others, my truck had 6700 miles on it, I was going to my Dr appointment it made a popping sound and started missing. Took to dealership and was told he had seven on the lot right at present with same problems. They didn't have a truck to loan to me and didn't know how long information technology volition take to get parts in and fixed!!! Employ causing when perching a 2021 with the 5.3 engine.
Tom on February 2, 2022
09 Silverado 5.3
'09 286,000 miles. Awesome engine. Around 200k experienced depression oil pressure. Found out it was due to the smaller OEM oil filter. Was told there is a service message recommending a different oil filter on loftier mileage engines. As I understand at that place is a featherbed pressure divergence. I am now running about 20psi vs effectually 40 with that filter wondering what changed? Going to effort an early oil filter swap to diagnose.
jim on March fourteen, 2022
2004 silverado Z71 5.3
Bought west/50k mi. I'm @ 267,500 ish and still pushing 40psioil press. I have washed all the maint. Per owners manual service specs. Other than I change oil every 3k miles. Replaced gaskets when leak. Other than bones R/R of normal vesture parts I have no complaints. All-time / dependable vehicle I've ever owned. FYI only ran high test fuel thru information technology and added Lucas fuel handling after 100k. You get out what you lot put in !
Ed on August 22, 2021
2021 Yukon SLT
Exiting an off ramp and slowing for a finish calorie-free. Engine begins to vibrate and knock. Engine struggled to idle. Dash board lights up similar a Christmas Tree. Multiple System failure warnings, engine calorie-free flashing, traction control flashing. Limped it to the dealership. Bent lifter for sure and perhaps other issues. Waiting on parts from GM. Definitely a major issue with this engine...only 8K miles. :(
Timmysparky on December 9, 2021
Junk for years
It's non just the new trucks boys. My 2013 but collapsed a lifter at 79,000. Shes been run hard but never driveling but kept up on meticulously. AFM lifter on cyl.#7. Just sold my 96 5.7L for 100$ considering of the intake manifold gasket trouble. All of these issues are known by GM just left for us to deal with. F#@ CK YOU GM!!! I HAVE ONE Word FOR ANY Ane LOOKING AT ANY GM VEHICLE........HEMI
RM on July 17, 2021
2021 GMC bad lifters at 6600 miles
I was on a return trip from Chicago to Alabama and my new GMC started a knocking and missing noise. Dealer determined that the lifters had collapsed. I had to leave the truck 600 miles from home. I am even so waiting for GM to advise me about my options. I take been a loyal GM owner and have purchased four new GM trucks. I am very disappointed with GM'due south customer service.
Ralph p on December 20, 2021
Failed lifters
2021 silverado trail dominate bought new 6300 miles just like others on this folio driving and the 5.three L engine with 6300 miles started misfiring and the dashboard lit upwardly with several lights made information technology to the dealer on a wing and a prayer they say bad lifters so far unknown on parts back ordered til who knows when other than this the truck was a groovy
Rob on Jan 20, 2022
2017 five.3 engine failure
Same as many here, my 2017 had engine ticking noise at 17,000 miles. Engine light came on chosen dealer who said bring it in right away. Lifter failure, barely made it to shop. Over a month later even so waiting for replacement parts and only fixing on side. VERY disappointed in GM , no more than for me. Will try trading for a Titan or Tundra
thomas bengtson on Feb 4, 2022
Very disappointed
I own a 2013 Silverado with only 68000 take put so much coin into this truck. And now depression oil pressure level dealer says needs an oil pump , in all my years I never seen an oil pump just go . Life long gm owner was expecting to put 200000 miles on this beingness my last truck. So much for that I retire and have go a new truck this sucks!!
Jeff Fehr on Nov ten, 2021
Jeffrey.fehr@yahoo.com
All of you that are having trouble with your 2021 Silverado's with a 5.3, does your truck have the GM'southward Active Fuel Management (AFM) or does it accept the Run End where the engine shuts off when yous come to a stop, similar at a stoplight? I just bought a 2021 Silverado and concerned on what could be coming my fashion! Cheers
Wil on November 3, 2021
2020 TrailBoss LT lifters
Reading these reviews is shocking. I fabricated it to 45000 before the lifters complanate. Information technology's been over a month with my truck at the dealer. I take a rental but dealer only covers the basic. I demand to pay out of pocket for protection insurance. Super disappointed. I left Tundra trucks for this fiasco. Regret it BIG-TIME!!
Chad on Baronial 30, 2021
2021 High Country
Hey I have a 2021 High Country with 3500 miles on information technology started misfiring would not do it all the fourth dimension will run fine for a couple hours then beginning misfiring it's at the dealership 10 hours from abode and they said bent lifter or push rods..Why does it do it every and so often not all the time?.any help delight
Bob Kellerman on October 21, 2021
Bob
2021 silverado rst 9500 miles on road home pulling motorcycle, nuance said add trans fluid,chevusa towed truck ,I had to have trailer towed @ my cost. Truck had just had oil inverse, esb,parking brake service engine lit up dash . Chevy dealer said lifters no rental available no loaner avail. Thanks GM
HS on July three, 2021
2021 Silverado serious problem
Truck purchased January less than 6k miles. 5.3L V8, engine suddenly started knocking, ESC stability control lost and parking brake locked up while in motion. Very scary situation. Had truck towed to dealer. Counselor said engine lifters were the problem had no explanation for ESC or parking brake bug.
BJ on June 17, 2021
2021 Silverado bad lifters at 8000 miles
Merely 8000 miles on the new truck and out of nowhere, driving home from work, severe engine knocking during acceleration and loud ticking at idle. Super bummed out and dealer says it may take as long every bit two weeks for parts to come in. At present I'grand reading many others with like issues..
Ingrid on March 10, 2022
2010 Surburban LTZ
2010 Chevy Suburban LTZ. 283,985 miles. First fourth dimension issue, rear main leak. I say go it re paired for $1,500 at the dealership, husband wants to replace engine $4,500-$5,500. I say repair, chevy mechanic said information technology should not be a problem down the route. Would like other'southward input.
Kim on January half-dozen, 2022
2000 chevy suurban
My truck has over 335,0000 miles and is nonetheless running potent. I've have a few issues and have had to modify a skilful many parts. But and so far no overhaul, and I hope it'll keep me on the route a few more than years.. My "burban" has been the most dependable vehicle I've ever endemic.
Lucas on December half dozen, 2021
Super happy with my 99 Silverado
Bought a 99 Silverado, with only 103.000 miles on it...only issue is a ticking, tinging noise coming from bell housing.. Almost like something is inside billowy around..but, there's nil inside, and it doesn't practice information technology all of the time...any thought what information technology could exist?
Dennis on July 13, 2021
Burks
I bought 2021 Chevy Silverado z71 5.three this is now june 13 I have 8790 miles on my truck and now it in the dealership with bent push button rods don't no when I will get my truck back or if it will happen over again in the future to the other push rods may notbe keeping
Fred Martinez on July nine, 2021
Failed lifters and misfire.
I have a 2021 Z71 Trail Boss with 2000 miles and has been in the shop numerous times. I've been told I filled my tank with contaminated fuel, I've had lifters replaced and now they tell mr it'south a software effect. I'k done GMC can buy it dorsum!!!
Craig Lowery on September 24, 2021
2009 Silverado
Having lifter sticking and making noise at 100,389 miles,on number 4 cylinder.What is the all-time solution of fixing information technology and getting rid of the (AFM),junk.Called a concern and they said up to ii,000.00 to prepare and not removing (AFM),whatsoever suggestions?
Grant on Feb xvi, 2022
MR
In 2011 I bought A 2010 Yukon with just nether xi,000 miles. Not knowing what course or type oil was in it, I drained the oil and serviced it with a high quality 5-20 synthetic, replaced the filter with and know with 190,000 miles, running OK.
harrisburg,pa on Dec 10, 2021
2021 Yukon 40 missing oil
3000 miles depression oil light come on. Dealer drained 5.5 qts. Out missing two.5 qts. In 3000 miles. In the next 2000 used ii more than qts. Dealer ran 3 days of test and going to put new engine in.I promise its better than the first fingers crossed.
TERRY SELLERS on July 6, 2021
2021 Silverado engine problems
We purchased 3 new 2021 Silverado'due south with the 5.3 for our business in Dec 2020. two went downwardly with lifter problems at five,000 miles and the 3rd went at 11,000 miles. Took two weeks for repairs. They definitely accept a big problem.
Maxbo on March xix, 2022
Happy with 04 crew cab
But shy of 750,000 miles. Had to supplant cracked heads at 700,000 and the o-band on oil pick up tube at 250,000. Couple of water pumps and lots of synthetic oil changes. Very happy with truck. Would not merchandise for a new one..
Albert Cuellar on Jan 16, 2022
Cnyhrmnw11@gmail.com
Had a collapsed lifter due to AFM. Had to repair myself and deleted the AFM. They can say this is non a common occurrence but information technology actually is. Youtube has people showing how to gear up information technology because information technology's that common. Adept luck people.
2014 gmc 5.3 rod failure on December 28, 2021
Head Gasket leak
2014 gmc 5.3 53,000 miles head gasket blown #4 cylinder. Repaired and 500 miles later spun #1 rod begetting. Had 2015 GMC 5.3 59,000 miles that collasped afm lifter issues 3 times. Traded that truck with 65,000
2021 Chevy Silverado 5.3 possessor on Nov xi, 2021
Bad engine
Lifter issue with parking interruption engaging at xvi,600 miles, Chevrolet knows about the problem simply knowingly keeps selling the product hoping It makes information technology out of warranty. This is shameful and illegal.
Mike Harpster on September 12, 2021
Failed lifters
60,000 miles on my 2018 Yukon Xl and had to tow it to dealer, diagnosed with failed lifters. Tin can't go head gaskets to repair it. Come on GM! Stride up and practise correct by your longtime customers!
Randy on July viii, 2021
2021 z71
Driving to the airport. Popping and clicking noises from the engine. Surging when going up hill or speeding up. Felt like a bad miss. Fabricated it to the airport. 🤷🏻♂️
joe on March 3, 2022
2006 Silverado z71
239k-other than ticking similar crazy on start up this quondam truck runs like a dream. Change the oil twice a yr and that'south it. Some one said to plow the radio up and drive information technology .
Curtiss Wright on January 13, 2022
Lifters
Everyone only the writer knows about the AFM lifter failures. Mechanics know all about them. I had never heard of a lifter failure until I had one and learned about the AFM.
Phil on December 4, 2021
2018 - Coolant being sprayed into cylinder
2018 - 107,000 miles, block is leaking coolant into #4 cylinder. $9600 new engine. What a crock. Not a maintenance issue…..this is a poor quality issue.
jaime l martin on November seven, 2021
Jamaca85@hotmail.com
I have a 2006 sierra with the v.three...the issue i have had is the oil pump going out at well-nigh 160,000 miles. Easy fix still running great at 202,000 miles
Denny Oakley on January 19, 2022
Oakley.denlynn@gmail.com
I have a 2000 1500 5.3 silverado,280,000 ks, only problem so far leaking valve cover gaskets,change semi constructed oil and filter every 4000 ks
Gene on January 28, 2022
Owner
Bought s 2017 GMC Sierra 160,00 miles afterward runs similar a new 1 !! Maintained every 5,000 miles don't like the transmission but hey bulldoze it
Raymond F McLain, Jr on January 13, 2022
Frankmclain66@gmail.com
Have 2021 Silverado, lifters went bad at 4400 miles. Replaced both banks of lifters had truck in shop 4 days. Don't really trust it now.
greg on December 25, 2021
Commercial parts manager
07 Sierra with over 280k miles. Plugs and 1 gyre all I have always had to do to information technology. Marvelous engine and fewest calls for parts
Mary Barra Fan Lodge on January 15, 2022
GM know how to kill things...
GM CEO Mary Barra got a $20 Million Dollar Bonus for her lying performance before Congress... Worth every dollar.
Tim on November 21, 2021
5.three 2021
Same problem as many others 8000 miles Engine failure .No parts new truck sitting for who knows how long.
Chris on January xv, 2022
2000 silverado
270k...5 speed...all new underneath..muffler etc...ane neat truck
Gil on January 20, 2022
21 Yukon
What were the build dates of all these engines that failed?
Braden Carlson
An automotive announcer for over six years, Braden Carlson has contributed to a variety of auto websites, including Squad Speed and LS1Tech. When he'due south not writing or under one of his projection cars, you'll frequently discover him producing video and photography for his "Cursed Forever" YouTube aqueduct.
Source: https://www.vehiclehistory.com/articles/5-3-liter-chevy-engine-problems-what-should-you-look-out-for
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