Engine And Engine Cooling Problems of Chevrolet Silverado 1500 - part 2

On xxx I was driving from [xxx] to my sister's house in [xxx]. I was relocating to [xxx] for a job. I was pulling a u-haul trailer (6x12) that contained significantly less weight than the truck can handle. About halfway there, on back roads, the truck suddenly slowed significantly and the gas pedal was unresponsive. The light in the dashboard read reduced acceleration - drive with caution. Pulled over, turned off truck, opened driver side door, to reset the truck (read this on google). We had to do this a couple times, because it would just go back to that behavior after a bit. We made it to my sister's house to stay the night. In the morning, xxx, I called the local chevy service dept in [xxx] and asked if I could bring it in, I described the problem. During the drive to the shop, the same issue occurred. Upon arriving at the service dept, the trailer app was giving a warning that the load may be heavier than max. Which cannot be true. The dealer techs said they had never seen anything like it before, but they seemed to know what to look for. They then informed me that they could not loan me a car because I was traveling out of state. I had a deadline, so my only option was to rent a u haul box truck, unload the back of my truck into it, hitch the trailer I already had to it, and drive to [xxx] information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Vehicle's replacement motor from gm recall (2nd motor) failed at 6200 miles. Rear tires briefly lock up causing slight swerving before the system shifted to "n"eutral. Upon restart, starter was unable to crank over seized engine. Dtc confirmed p0016 crank shaft position out of alignment.

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The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that the engine occasionally overheated. The check engine warning light was illuminated for a day, and there were six diagnostic trouble codes displayed. The vehicle was taken to the dealer to be diagnosed, and it was determined that the coolant flow control valve was inoperable and needed to be replaced. The vehicle was not repaired. The manufacturer was informed of the failure and confirmed that the repair was not covered under warranty or recall. The contact became aware of GMC special programs: n252508340 and n25250834, which were associated with the failure; however, the VIN was not included. The manufacturer referred the contact to the NHTSA hotline to report the failure. The failure mileage was approximately 105,000.

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The engine malfunctioned then the engine light came on. I finally got home turned it off and let cool down. Tried to restart and same issue.

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I have a 2021 Chevrolet Silverado 1500 with a 3. 0 duramax diesel engine, have had a check engine light intermittent a couple times. Vehicle went into limp mode. Had the diagnostic code read; p1010. Code p1010 shows an engine coolant flow control valve position sensor exceeded minimum learning limit. General motors has issued a special warranty n252508341covering 2021-2023 Silverado 1500 for this part ( lm2 coolant control valve replacement ) with a 15 year and 150,000 mile limit. I took my vehicle to the Chevrolet dealer and they said my VIN number was not covered. It would be a $1900 repair. I have read of numerous other of same vehicles listed under the special warranty, yet gm has excluded these VIN numbers as well. This is a known defect, gm has covered some but not all. Yet many are not covered yet having the same problem. I am not able to reach anyone at gm to talk about this issue. It needs to be addressed.

I just got this car from a used car dealership, it has 170k miles and the engine just stopped on me today. It’s very disappointing for the car to just stop like this. While I had my family in the car with a new born. Very disappointing.

While traveling at night on the highway at excess of 70mph the engine in my 2022 Chevrolet Silverado 1500 6. 2l l87 experienced a sudden, complete mechanical failure and loss of propulsion while driving. There were no warning lights, sounds or any other indication the motor would instantly stop working. This created an immediate crash hazard for me, my children and my dog. The vehicle is completely inoperable and I paid $125 to have it towed home. Upon talking to the dealership service ce manager they are refusing to inspect/replace my engine under safety recall n252494001. The same dealer is also requiring a large diagnostic fee prior to looking at the vehicle and has stated they will require additional fees as needed. They also refused to provide a loaner vehicle.

Engine stopped while driving. Truck made dinging noise. Dash had no warning lights. Dash said need to press start button to turn on. Truck went into neutral by itself. Was able to pull over and put it in park. Tried to push the start button and nothing. Dealership said it needs a new motor. The truck has less than 10k miles. The motor has already been replaced once before at 4070 miles.

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The contact owns a 2024 Chevrolet Silverado 1500. The contact stated that while driving at 75 mph, the engine shut off without warning. The contact safely coasted to the shoulder of the road and requested assistance from 911 to secure the vehicle from oncoming traffic. The vehicle was then towed to a dealer, where a diagnostic assessment confirmed a total engine failure, requiring replacement. The contact had previously taken the vehicle to a dealer for NHTSA campaign number: 25v274000 (engine and engine cooling); however, the inspection yielded no visible issues, and the recall was marked as completed. The vehicle remained at the dealer and had yet to be repaired. The manufacturer had not been notified of the failure. The failure mileage was approximately 25,500.

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Truck continues to shutter after having the torque converter replaced and the 2nd injector replaced. Been in the shop several times over the last few years, and still giving warnings on the dash saying, reduce acceleration drive safely. Feel like we just got a terrible vehicle. Almost paid off, and it’s just unreliable. Sadly we need this truck every single day, and the local dealerships have now pushed the problem out so far that we’re passed out 60k warranty period.

A. The engine is stalling while driving. This has happened four different times. Three times while towing, and one time while backing up a small hill. This is a scary situation because three of the four times almost caused an accident. 1. We were driving to texas, pulling a pontoon boat. While exiting the highway, we were entering into an intersection at a speed of about 10 miles per hour, and the truck shut down. The truck said, “start the motor and place it into gear. ” or something similar to that. 2. We were in stop-and-go traffic on the highway, and the truck shut down. Once again, I had to restart the motor and shift into gear. 3. We were entering a parking lot from the main road, and the truck shut down. Again, I had to restart the motor and shift into gear. 4. The three times above are during a time when we were towing. The fourth time is when we were backing up a small hill. The rear tires lost traction and spun for a second or two, and then the truck shut down and started to roll forward. Once again, I had to restart the motor and place it into gear.

While driving my truck returning from a camping trip I received the following warnings in the dash: service esc, service traction control, forward collision system unavailable. Check engine light was flashing. I made the assumption that the check engine light was due to the warnings listed above. I continued to drive the vehicle until I began to feel a very noticeable shudder at idle, at low speeds, and also loss of power at higher speeds. The truck has the 5. 3 ecotec engine with dfm. After researching the symptoms, I found that these symptoms are identical to the know lifter problem with that engine. The truck is a 2026 Chevrolet silverado trail boss with approx. 3454 miles on it. It's currently at the dealership waiting for them to "diagnose" the problem. I was told that it may just be a "faulty sensor", but after reading other people's experience with this engine I believe that the real problem is a damaged lifter/lifter pin due to the poor design and engineering of the dfm system.

A valve on the 3. 0l duramax is allegedly sticking, causing the vehicle to go into limp mode or be inoperable. This is a known issue for gm and they have issued a service bulletin on it. Unfortunately, no dealers want to address the issue and now we are left with a vehicle that if we do not pay to repair, after it being ours for only 5 days, the vehicle will be unusable. This vehicle is under warranty still and this part is needed for operation. I believe this avoidance of a recall is harming customers and creating pay to drive schemes. This needs to be addressed before thousands of customers begin paying for a repair that gm knows is their fault.

At approximately 3,000 miles, the engine began making a loud knocking noise that became progressively worse while driving. The truck was diagnosed as needing a complete engine replacement. No warning lights, no check engine light, nothing. For someone inexperienced with vehicles, you could easily be in big trouble on the highway and a potentially life threatening situation. My primary concern is that there was no warning that such a major engine failure was about to occur. An engine that fails with so few miles raises concerns about the possibility of sudden loss of power, loss of acceleration, or engine seizure while driving in traffic, on highways, or while towing. A failure under those conditions could significantly increase the risk of a crash. The vehicle has been out of service while I continue making loan and insurance payments on a brand-new truck that I cannot use. The replacement engine is on national backorder, leaving me without a clear repair timeline. After researching this issue, I found numerous reports from other owners describing similar failures involving the 6. 2l v8 engine. Based on the volume of owner complaints, there appears to have been a significant increase in reported engine failures involving 2026 model-year vehicles. This suggests the problem may not be an isolated incident but instead could indicate a broader defect that deserves investigation. As a result of this experience, I no longer feel confident or safe driving this vehicle, even if the engine is replaced. I purchased a brand-new truck expecting long-term reliability and peace of mind, but instead I experienced catastrophic engine failure at only 3,000 miles. I respectfully request that NHTSA investigate these engine failures to determine whether a safety-related defect exists and whether further action is necessary to protect consumers. I have requested a buyback, but gm completely denies it. Such a horrible expy with manufacture.

On Monday, June 29, 2026, I was getting off the new jersey garden state parkway. I was halfway down the exit ramp and the engine and the engine just stopped. I coasted to the bottom of the exit ramp and luckily had just enough shoulder to pull over to get out of traffic. Once stopped, I attempted to start my 2026 chevy silverado, but all attempts at starting the engine were fruitless, as the engine would not even turn over when tried. I contacted on star and a tow truck was sent to tow my truck to burke, the gm dealer I purchased the truck from. It was confirmed by burke gm on Wednesday, July 1, 2026, that the truck needed the engine replaced. The truck is currently at burke gm and I have been there to get belongings out of the truck so yes, I would say it’s safe to assume that it is available for inspection. There were no warning signs of any problem with the motor at all.

Truck blew up driving down the road and the the chevy app gave me a code and it was the same code it is recalled for but I was told it wasn’t under recall.

We purchased our 2022 Chevrolet Silverado 1500 zr2 in xxx, it was discovered in the purchase process that the vehicle had an active recall on the engine which was pending a "fix. " this was completely downplayed by the dealership as a minor issue that would be addressed. We waited several weeks for the "fix," which was essentially a change in the oil viscosity. On xxx, our [xxx] son, was out of town, driving the vehicle, which suddenly lost all power on the highway leaving him completely stranded. The vehicle would not turn over at all or even shift into neutral. There were no warning signs, no sensors activated, in fact, the chevy app showed (and still shows) the vehicle as "everything looks good" "no diagnostic issues!" we had the vehicle towed back to our hometown/dealership (missoula, Chevrolet in missoula, mt), where it has now been determined, the engine completely seized up/failed, the original "fix" was not adequate, and we are now waiting for a new engine to be put into the vehicle! after reading about other vehicle owners experiences, I am quite skeptical of the new engine as there have been multiple experiences where the new engines had the same issue. This recall is impacting the safety of drivers, most concerning was our [xxx] left stranded in a rural area with very spotty cell service, and the vehicle would not even shift to neutral to get it to a safer area, this needs to be addresses as soon as possible to prevent others from being put into this situation. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

On June 27th 2026 at approximately 3am, I was driving my chevy silverado trail boss with 6. 2 engine, it suffered a sudden catastrophic failure and it completely seized while in motion. There were no warning or signs given while vehicle was in motion. This resulted in an immediate highly dangerous loss of propulsion on a dark 2 lane road. The vehicle would not crank and had to be towed to estero bay Chevrolet.

The contact owns a 2020 Chevrolet Silverado 1500. The contact stated while driving at 35 mph, the engine started knocking, and the sound grew louder while making a turn. The electronic stability control and check engine warning lights illuminated. The vehicle was taken to a local dealer, where one diagnostic trouble code was displayed, but the vehicle was not repaired. The vehicle was then taken to a second local dealer, who retrieved a code for fuel injector number eight and diagnosed that the engine needed to be replaced; however, the vehicle was not repaired. The vehicle was taken to a third dealership, knapp Chevrolet, where it was diagnosed that the engine needed to be replaced. The vehicle remained unrepaired. The manufacturer was contacted and opened a case, but no additional assistance was provided. The failure mileage was approximately 94,000.

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The contact owns a 2019 Chevrolet Silverado 1500. The contact stated that while driving 25 mph and approaching a red traffic light, the vehicle stalled. There was an oil message flashing on the screen instructing the driver to pull over. The vehicle was towed to an independent mechanic, and the contact was informed about the gm customer satisfaction program: n212326940. The local dealer was contacted and referred the contact to the manufacturer for assistance. The vehicle was not diagnosed or repaired. The manufacturer was contacted and confirmed that the VIN was not under recall. The contact was referred to the NHTSA hotline for assistance. The failure mileage was approximately 42,000.

Purchased used 6/12/2026 at 188,882 miles from a franchised Chevrolet dealer. The integrated trailer brake system master fuse and passenger-side turn signal fuse were blown at delivery. When the fuses were replaced, the trailer brake system faulted and the failure disabled the abs, traction control, and stabilitrak (electronic stability control). Significant safety concern: with the master fuse blown/open, the vehicle displays no warning messages of any kind — the safety-system failure is completely masked while trailer braking is inoperative. The warning cascade only appears when a good fuse is installed and the faulted circuit is energized. Separately, at approximately 12 days and ~1,700 miles after purchase, the engine began knocking and set diagnostic trouble codes; a dealer repair order dated 7/6/2026 documents the knocking complaint with no work performed. The vehicle is currently parked as unsafe to drive. No crash, injury, or fire. Reporting so the abs/esc failure mode — and particularly its masking behavior when the fuse is open — is on record for this VIN and vehicle line.

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This incident occurred 24, June 2024. Time was approx 1745hrs and temperature was 93 and humid. Was stopped at a stop sign, attempted to make a phone call and reached to temporarily turn off the air conditioner by pushing the on/off button. When I pushed the button, it turned off the vehicle engine completely! when I was startled as to what had just happened, I pushed the air conditioner button a second time; it started the truck's vehicle engine! I repeated this test three times in the presence of my spouse who was also in the truck. We then drove approximately one mile and at a second stop again was able to duplicate the engine turned off/on by pushing the air conditioner on off again! it was if the air conditioner on/off button was the vehicle start stop button. I did not try to duplicate this under roadway speed, fearing if the engine did in fact turn off, simply by pushing the on/off air conditioner button. It would most assuredly result in the complete loss of driver inputs for steering, brakes and control.

The contact owns a 2023 Chevrolet Silverado 1500. The contact stated that while driving approximately 50 mph with his wife and grandchildren inside the vehicle, the check engine warning light, collision warning light, and several other unknown warning lights were illuminated. The contact stated that the message "braking system failure - do not exceed 62 mph" and the trailer brake message was displayed. The contact continued to drive the vehicle; however, whenever the brake pedal was depressed, the vehicle failed to slow as intended. The vehicle was taken to a dealer where it was diagnosed and determined that a software update was needed. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was 54,000.

Catastrophic engine failure. Confirmed by gm dealer. No symptoms prior.

Date: June 22, 2026 time of incident: approximately 11:48 a. M. Vehicle: 2025 Chevrolet silverado high country 6. 2l v8 current mileage: approximately 29,500 miles I am documenting the events surrounding the unexpected engine failure of my 2025 Chevrolet silverado high country. On June 22, 2026, at approximately 11:48 a. M. , while driving at highway speed, the vehicle was operating normally with no warning lights, messages, or other indications of a problem. I began hearing a metallic clanking or knocking noise from the engine area. The noise progressively increased in volume and severity over approximately ten minutes as I reduced speed and looked for a safe location to pull over. My intention was to reach the dealership if possible; however, as I slowed to approximately 15 mph to make a turn, the noise stopped abruptly, the engine shut off, and the vehicle displayed a message instructing me to press the start button again. The vehicle came to a complete stop at approximately 11:58 a. M. I attempted to restart the vehicle once, but it did not restart. No additional restart attempts have been made. There were no warning lights displayed prior to the engine shutting down, and there were no visible fluid leaks underneath the vehicle after it came to a stop. The vehicle received a routine oil change on June 16, 2026, approximately three days before this incident. I have retained the service receipt and all related documentation. The vehicle will be transported by flatbed tow truck to an authorized Chevrolet dealership for diagnosis and repair under warranty. This email is intended to document the incident timeline and details while they are fresh in my memory. I have not heard back from the dealer yet.

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Oil cooler failed and truck was at dealer for a month over winter. Now June 20th transmission failed and there is no timeframe on the valve body. I am still making payments on this truck and no dealers have a timeframe.

My company purchased a new 2022 Chevrolet silverado rst from bomnin Chevrolet manassas in December 2022. The vehicle has been properly maintained according to gm’s recommended maintenance schedule, including routine oil changes and tire rotations. On February 10, 2025, the truck began shaking and repeatedly shutting off. Bomnin Chevrolet diagnosed a failed fuel injector and completed the repair. No loaner vehicle was available, requiring me to use uber transportation until the vehicle was returned on February 12, 2025. On may 19, 2025, the truck again shut off multiple times while traveling approximately 45 mph. The vehicle was returned to bomnin Chevrolet, where it remained for three days. No loaner vehicle was available, forcing me to rent a vehicle from enterprise. The dealership ultimately stated it could not diagnose the problem and advised that the failure would have to occur again before it could be repaired. The vehicle was returned on may 22, 2025. On June 18, 2026, the engine shut off while driving and would not restart. The vehicle was towed to bomnin Chevrolet. After several days, the dealership advised that the engine had suffered catastrophic failure due to a lifter issue and required complete replacement. Gm approved the warranty repair; however, the replacement engine is on national backorder. No loaner truck was available. The dealership offered only a $44-per-day rental reimbursement, which is not comparable to the business use of a full-size pickup truck. As of June 29, 2026, the vehicle remains at the dealership, leaving my business without a suitable replacement vehicle and significantly impacting daily operations. I am requesting a voluntary manufacturer repurchase of the vehicle, reimbursement of all rental cars, and a fare financial compensation package for any inconvenience.

I am requesting immediate review and resolution regarding a major engine failure in my 2021 Chevrolet Silverado 1500 with the 6. 2l v8 engine. My vehicle has suffered a complete engine failure and is displaying code p0016 (crankshaft/camshaft correlation). This is a known and widely documented defect affecting gm 6. 2l engines and is the basis of an existing recall and engine replacement program for similarly equipped vehicles. Despite my vehicle exhibiting the exact same failure, I have been informed that my VIN is excluded from the recall. This is unacceptable, as it reflects inconsistent application of a known defect remedy. Under consumer protection principles, including the magnuson-moss warranty act, manufacturers are obligated to address known defects and ensure consistent warranty and post-warranty remedies where systemic issues exist. Denying coverage for an identical failure based solely on VIN exclusion raises serious concerns. I am formally requesting a full goodwill engine replacement. This failure is clearly tied to a known defect pattern, and I expect gm to provide the same remedy afforded to other affected customers. Please escalate this case for immediate review and confirm next steps. I am prepared to provide all supporting documentation.

Check engine light flashes when pulling a load and accelerating above 50mph. Check engine light code is po300 random multiple misfires. Took it to the shop and there we’re currently no active misfires.

Service brake assist warning came on the day before a severe audible engine knock started. Drove to nearest dealer and they immediately diagnosed as a probable engine failure/engine bearing/connecting rod. 6. 2 liter engine 9500 miles.

On Monday, 6/15/26, with approx 45,400 miles, I was driving down the road and truck said service transmission. The gears would shift, but it lagged a little bit. I scheduled an appt for two days later, and only drove it when I absolutely had to, which was only twice before my scheduled appt. I get in it to drive and it says service transmission- unable to shift soon, then on my way to the dealership, it says all of that, plus service driver assist system. Chavy's quality assurance team needs to get it together! this is absolutely ridiculous.

My truck has the l87 motor on recall. I purchased it brand new and paid top dollar for it. I've had issues since I've bought it. All of my maintenance has always been done at the dealership from regular maintenance to purchasing brand new tires. I am very disappointed to have a truck that concerns to drive, I do not take my family out in my truck because I am not confident in its reliability and safety. Multiple times I've taken my truck in for service and let them know to complete an oil change, tire rotation and to check an issue with a "tick, clunk and knock" just to be told it was "normal for the 6. 2". My normal dealership has blocked off appointments online and you'd have to call to try to set one up. I demanded a diagnostic one time when the truck was acting weird and the tech stated "stop by, I'll squeeze you in" in which I did. However, I wasn't given any documentation since "I didn't have an appointment". After reviewing all of my service records, I come to notice not once time did they mention they did a diagnostic check. Only the recall test shows on one of the service records. I've had 3 different viscosity oils in my motor from the dealer stating gm recommended it. I had to night drop my truck on June 14 as it was making a weird noise from the engine and it felt like it had less power. I waited 2 days and the dealer did not contact to even state they have my truck in service. When I called to ask the status I had to agree to text message communication in which they replied, "at best it will take 2 weeks just to look at it". I asked for a loaner since I need a truck for work and transportation, they replied they do not have any and I will be placed on a list. My truck is still under original powertrain warranty and they cannot even provide a loaner. I feel that they are brushing me off to buy time and here I am making hefty car and insurance payments for a truck I do not have nor a truck that I need to provide for my family. Gm does not care!.

Purchased 2019 Chevrolet silverado high country edition with the 6. 2l engine and 143k miles for my son. The vehicle had a clean service history on car fax. On the day we purchased the vehicle, we drove it home and noticed it was shuttering at times. I used my computer scanner and it came back with a misfire cylinder #5. I troubleshot the issues and noted that the most common thing was a spark plug. Therefore, I replaced the spark plug and it drove much better. Two weeks later, my son was driving vehicle on I-40 near nashville TN and without warning, vehicle stalled, locking steering wheel in place! check engine lights came on and instructed him to place in neutral and restart, which he promptly did. The vehicle started, but went in limp mode making loud noises in engine before shutting off again. Luckily, traffic was minimal at 8 pm and he was able to get it over to the shoulder and avoid any injuries or accident. Towed it to nick mayer Chevrolet in dickson, TN where they diagnosed it with catastrophic engine failure and needed to be completely replaced. This is the same issue that gm is being sued for and have somehow managed to take the stance that the lifter/cam/dfm issue only existed in 2020-newer models. The 2019 is when they changed to the newer body style and the new gen v l87 engine in the 6. 2. Despite the clean vehicle history, dealership reached out to gm and they stated they would not help cover any repairs but would gladly take 14k to fix it. The 2019-2026 models all need to be recalled due to this safety issue and fixed before catastrophic engine failure claims another victim financially or worse!.

Recall remedy was performed just a few months prior didn't even make it through the life of the oil and the 6. 2l l87 is seized up per Chevrolet dealership in chelsea michigan.

Leased a 2025 chevy silverado in late 2025. On June 13th 2026 driving home my vehicle all of a sudden had very little power, check engine light went on and thankfully I was at my driveway. Pulled into my residence, shut truck off and called the dealer I leased the truck from at 1:00 pm satuarday, June 13th. They set me up with a loaner vehicle. I called for a tow truck Monday the June 15th and had truck delivered to dealership. Ive been told, they are looking into? beyond that, nothing more.