Engine And Engine Cooling Problems of Chevrolet Tahoe - part 1

Engine started "ticking" for a bit. Then sounded like marbles were in the engine. Loss of power and engine light came on. Dealer says my 6. 2 engine failed and new one needed. Less than 9000 well cared for miles!.

The contact owns a 2021 Chevrolet Tahoe. The contact stated that while driving approximately 70 mph, the message "service esc" was displayed, and the check engine, traction control, and forward collision avoidance warning lights were illuminated. The vehicle started shaking and then lost power. The vehicle was pulled over to the side of the road, parked, and then turned off. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was 118,000.

See all problems of the 2021 Chevrolet Tahoe 🔎.

We were driving full speed down the highway and the vehicle completely shut down steering wheel locked and we were stranded for six hours. Turns out the dealer said it was just the battery and they fixed the grounding of the battery. I’m sorry but I’m not satisfied with this response. I’m scared to drive this vehicle.

See all problems of the 2023 Chevrolet Tahoe 🔎.

Driving on the highway the engine failed at highway speeds and the Tahoe experienced a complete shutdown, we could not restart the vehicle nor shift to neutral. We had the vehicle towed and was told by the dealer that it needs a engine replacement at 14,000 miles.

The lifters are tapping on my vehicle and the engine also has a shutter to it. I am also not getting 5000 miles per oil change by 5000 miles my vehicle is showing add engine oil and is taking 2qts to get it back showing on the oil stick.

The contact owns a 2023 Chevrolet Tahoe. The contact stated that the vehicle was taken to a dealer, where the NHTSA campaign number: 25v274000 (engine and engine cooling) remedy was completed with an oil change and oil cap replacement. Approximately three months later, while the contact's wife was driving approximately 45 mph, the engine stalled. The driver was able to coast to the side of the road. The vehicle was towed to the dealer, where it was diagnosed that the engine had failed. The engine was replaced. The manufacturer was notified of the failure, and a case was opened. The failure mileage was approximately 22,000.

A couple weeks ago, the truck suddenly started running rough and the front collision avoidance system failure message displayed. Immediately took it to the dealership. Computer read out showed #7 fuel injector failed. Repaired and was fine. Yesterday, 8/27/26, same thing happened again. Immediately went to the dealership. Now #4 fuel injector failed. Service manager just called and states that Chevrolet does not have that injector and on backorder with no date of expected delivery. No other chevy dealer has #4 fuel injectors either. Tells me that there is an overwhelming demand for fuel injectors that indicates a defect. Meanwhile, the truck is out of service and gm is not addressing the issue to replace all the defective injectors.

When vehicle is idling the cabin shaking/vibrating. When engine is warm the sound of engine goes away and when it is cool the sound and vibrating comes back.

I have 19,000 miles. After each oil change, the engine begins to idol rough, the vehicle violently shakes and the traction control and abs turn off. The first time this happened it was determined that there was a cylinder (4) failure causing a missfire. This was corrected under warranty. A few months later immediately after receiving an oil change again, the same actions occurred. This time the computer is showing a cylinder (7) failure and engine missfire. This is very similar to what is happening on the 6. 7 l gm recall l, but I don’t have the 6. 7 I have the 5. 8. I believe the issue is bigger than just the 6. 7 l.

See all problems of the 2025 Chevrolet Tahoe 🔎.

6. 2l engine failure. Camshaft and lifters. My [xxx] wife ([xxx]) was driving and it shut off going down the highway. It is at my local Chevrolet dealer getting repaired. No warnings. No engine light. Vehicle has 88,000 miles on it, I purchased it April 22, 2026 with 84,700 miles on it. My Chevrolet app says there are no issues with the vehicle. . It’s in pieces at the dealership. I had higher standards for a high country. Always owned Chevrolets. May be my last one. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

My vehicle, 2023 Tahoe, previously had the gm recall 25v-274 / n252494001 remedy performed (0w-40 oil swap) in October of 2025. Despite completing the manufacturer's official recall remedy, the engine suffered a sudden, dangerous loss of motive power at highway speeds when I was making an out of state move and traveling alone; it was terrifying. I had to have it towed to the nearest dealership and that is where it is now as I had to leave since I was in the middle of moving. I need a new engine. I have no idea how I will get my Tahoe to my new residence or when. The dealership was not open on sundays so I had to find a place to stay after leaving my Tahoe full of my items and my bike. I was so afraid it would be broken into. I had an oil pressure warning right before the engine completely stalled. And, I was accelerating up an incline and it felt like my Tahoe couldn't get enough power to make the incline. My Tahoe only has 35,047 miles, and threw the diagnostic trouble code p0016 through my onstar app as well as with the tech at the dealership. And, I am having a lot of trouble with gm corporate with rental cars. I had to pay out of pocket in order to get back on the road with my belongings as I start a new job this week at my new home. I had to leave some belongings and my bike with my Tahoe at the dealership.

Engine squeeled then shut down. It froze up. Its a 6. 2.

Engine failure of the 6. 2l l87. Was 12 hours from home with my family on vacation in colorado cruising up a 4 lane mountain highway about 700 yards from entering [xxx] thru the mountain and the engine started screaming and knocking. Thank the lord there was a way I could quickly steer my vehicle and family off the 65 mph hwy. Engine had recently passed the recall inspection test. “3,000ish miles ago” dealership confirmed engine failure and it’s sitting in cooorado waiting for a replacement engine. I believe this will be the 3rd engine now in my car. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

2022 chevy Tahoe went into limp mode at 62,500 miles out of the blue and check engine light came on. At the certified chevy dealership I was told it was the transmission control valve, code p2732, which is a known widespread factory issue in these models. Upon further inspection, was told my transmission fluid was completely black and burned and it ruined the transmission and therefore it needs to be replaced. "consequential damage policy: when a control valve body fails and stays "stuck on," it forces maximum line pressure through the system. Continuing to drive under these conditions quickly destroys the internal clutch packs, burns the fluid, and melts down the transmission. " this is exactly what happened and my vehicle was never put on a recall list but clearly was a ticking time bomb.

See all problems of the 2022 Chevrolet Tahoe 🔎.

My vehicle had a pop and loss of power on the highway. After pulling over, I did not have a check engine light but did connect my code reader and found a p308. I felt unsafe to drive so I had it towed to a shop. I later found out the dod system or lifter on valve #8 has failed and needs replacement. Factory recommends oil change at every 7k miles, I did them at 4k. My oil pressure was up to par with the small window of real time allowable oil pressure. The design was great on paper but one of the worst engines gm has ever made. I sincerely hope there is enough people complaining about these 2021 gm 6. 2 & 5. 3 engines!!.

2025 Chevrolet Tahoe, 6. 2l l87, approximately 51,500 miles, rod-bearing/internal engine failure, complete engine replacement required. 1500 miles prior to engine failure the cam/lifters were replaced. Repair invoices are attached. I was told my warranty going forward would be the remaining miles left on my 60k power train warranty. This is not acceptable.

Engine locked up from crankshaft bearing failure, mega fuse blown my wife and I were driving 70mph on a highway when I lost the throttle and other power. I pulled over to the side the best I could but barely over the white line. It was a dangerous situation for us & tow trucks, the engine was locked up & the flat bed truck couldn't tow vehicle. The 2nd truck was a reaper style truck which was dangerous to setup on the side of highway. The dealership diagnosed and replaced engine to their guidelines. I requested the oil cooling lines & housing be replaced as well to avoid metal debris to enter new engine to avoid recurring engine failure. At first both requests were denied, then another dealer represntive said the oil lines would be replaced but the housing would not be. I even offered to pay for that replacement which was denied. I invested a lot into the vehicle, I was assured the original recall and engine oil change would be sufficient. I also purchased to dealer premium care package to really take care of my vehicle investment. Engine failure was around 29,000 miles. The engine failure happened on a Sunday morning, I didn't receive any loaner car or rental car until Thursday affecting my work transportation. Once the dealer rented me a car, I asked if I needed anything to pick up the car, dealer rep said no. Once at rental car place, I needed a credit card and id, I was charged $250 for the time I had the rental car. The rental car was not close or comparable to my vehicle, which I still had to make payments while it was broken at the dealership. I really worry about my safety, reliability and travel going forward with this vehicle. I also am very concerned about the vehicle losing value due to known issues. There was no warning signs until the failure, I believe the dash message said 'please press start' or 'press start'. Overall this has been a tough and stressful situation with my expensive vehicle investment. Vehicle unavailable- 7/26-8/17.

See all problems of the 2024 Chevrolet Tahoe 🔎.

While at a drive thru, my 2021 chevy Tahoe high country experienced a total failure with no advance warning where the engine shut down and would not restart despite what appeared to be good electrical power. We tried to jump start the vehicle with both another vehicle as well as a aaa power pack with no luck. The vehicle was not movable and had to be towed using a lift truck to the dealer. The dealer performed an analysis, reproduced the problem, and determined that the engine failed due to a spun bearing despite no documented codes from the analysis. In performing research, this failure appears identical to NHTSA campaign 25v274 / gm number n252494000 however the car has been deemed to not be covered with mileage at 139,300.

My chevy Tahoe vibrates when I drive and the dealership can not find the reason why it does that.

See all problems of the 2017 Chevrolet Tahoe 🔎.

Blown engine, large chunk of metal in the oil pan.

The engine in my 2021 Chevrolet Tahoe high country equipped with the 6. 2l v8 (l87) experienced a catastrophic failure. While driving, the vehicle suddenly lost power, displayed a “service esc” warning, illuminated the check engine light, and unexpectedly shifted into neutral. After stopping the vehicle, it would not restart. The dashboard would illuminate, but the engine would only produce a faint clicking sound and would not crank. The vehicle was towed to a Chevrolet dealership, where it remains available for inspection. How was your safety or the safety of others put at risk? this failure occurred while I was driving, causing an unexpected loss of power and propulsion. The vehicle became disabled without warning, creating a significant risk of being struck by surrounding traffic. Losing the ability to accelerate or safely maneuver a full-size SUV in traffic placed both me and other motorists at risk of a serious crash. Has the problem been reproduced or confirmed by a dealer or independent service center? yes. The vehicle was towed to an authorized Chevrolet dealership, crews Chevrolet. The dealership confirmed that the engine had catastrophically failed and advised that it qualified for replacement under general motors’ special coverage program for the 6. 2l l87 engine. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? yes. The vehicle has been inspected by an authorized Chevrolet dealership. General motors has authorized replacement of the engine under its special coverage program. No police report was filed because there was no collision.

Out of nowhere without any warning light all of a sudden couldn’t back up when geared into reverse to reverse. Turned the vehicle off and back on, then was able to reverse. Left parking lot and was on the road and vehicle started loosing speed, then put into park with hazard lights. When attempting to get off the road for safety reasons tried putting into drive and the car then drove in reverse. Local fire department came and called in the local police dept for assistance and pushed vehicle off to the side and tow company came and took to the auto shop with information today of the transmission going out, and with that causing happening causing the fluid to smell burnt and full. The auto shop test drove and made it 30 feet and would not move. Transmission is failing and causing the concern.

See all problems of the 2018 Chevrolet Tahoe 🔎.

I was a victim to the l87 engine loss of propulsion recall. On June 19, 2025, my engine was replaced as it failed all test. After getting a new engine, I have had 5 engine misfires and the dealership blamed it on faulty gas. Now my 2023 Chevrolet Tahoe that I trust to drive my two toddlers around, is at the dealership for a flashing engine light. Even after the engine was initially “remedied”, the new engine continues to fail and I have lost trust in having a safe and reliable vehicle.

I purchased a new 2026 Chevrolet Tahoe approximately five months ago, and it currently has only 11,300 miles. Unfortunately, while driving on the highway last night, the 6. 2l engine suffered a catastrophic failure. Seconds before the failure, the check engine light illuminated, and the vehicle immediately lost power while traveling at highway speed, creating a significant safety concern for both my family and other motorists. The vehicle is currently available for inspection. I am waiting for general motors to advise which dealership the Tahoe should be towed to for diagnosis and repair. While I understand the vehicle is covered under the factory warranty, experiencing a catastrophic engine failure on a five-month-old vehicle with only 11,300 miles has significantly diminished my confidence in it. I purchased this Tahoe expecting years of dependable service, not a major engine replacement within the first few months of ownership.

My 2025 Chevrolet Tahoe rst performance edition equipped with the 6. 2-liter v8 experienced a catastrophic engine failure at approximately 28,400 miles. The Tahoe was towed to an authorized Chevrolet dealership. The dealer confirmed an internal engine failure requiring complete engine replacement. The vehicle and failed engine are currently at the dealership in lawrence, kansas, and should be available for inspection upon request. The precise internal cause has not yet been provided to me in writing. I was advised that obtaining and installing the replacement engine is expected to take approximately 60 to 90 days or longer. The scheduled 30,000-mile maintenance was performed by the Chevrolet dealership on June 29, 2026, when the odometer read 27,607 miles. The engine failed less than two weeks later, after approximately 800 additional miles. Two days before the failure, I noticed a knocking or ticking sound from the engine. Immediately before the failure, I heard loud squeaking or screeching followed by a severe metallic clanking sound, as though loose metal components were being thrown around inside the engine. The engine then shut off and the vehicle became immobilized in park at an intersection. I was the first vehicle in a left-turn lane and could not shift the Tahoe into neutral to push or coast it out of the roadway. Heavy traffic turning toward the highway was forced to maneuver around the disabled vehicle, creating a significant risk of a collision. The outside temperature was approximately 95 degrees, with a heat index of approximately 109 degrees. My dog was with me, and it took more than an hour to arrange transportation for him to a safe location before I could return to the disabled vehicle and continue waiting for the tow truck.

When gm announced the recall involving the potential for catastrophic engine failure, I immediately contacted bridgewater Chevrolet in NJ to schedule the required recall inspection. I was told the dealership could not perform the inspection because it had not yet received the required 'diagnostic tool' from gm. Once they received the equipment, they contacted me and on oct 1, 2025, they completed the required recall inspection and informed me that my Tahoe had passed the recall inspection and that the vehicle was safe to continue driving. On xxx while driving over the driscoll bridge on the [xxx] with my daughter and our dog, the engine catastrophically failed without warning as I began to exit on exit [xxx] to [xxx] into heavy traffic. With no warning, the vehicle flashed that it was in neutral and then suddenly lost all power and stopped completely in a traffic lane, creating an extremely dangerous situation. After a few mins, I was able to get it started briefly, enough to coast along to a spot a few hundred feet away where there was a shoulder. From there the wheels locked and it would not move at all and windows would not open. It had to be dragged completely inoperable with locked wheels onto a flatbed three separate times. It was first dragged and flat bedded off the parkway to a place we felt unsafe so we stayed locked in the car in July heat with no windows down, then to my mechanic and then to the dealership. I am unsure of the damage that may have caused. The dealership received the vehicle on xxx and within a day told me that it was indeed what my mechanic and they suspected - the catastrophic failure recall they had inspected and passed the vehicle for. As of today, xxx, I was told they just received an engine and can start a full replacement this week. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

This 2025 Chevrolet Tahoe has experienced three separate and recurring engine-related failures. The first failure occurred at approximately 41,350 miles and required replacement or repair of the lifters and camshaft. The vehicle remained at the dealership for approximately 15 days. The second failure occurred at approximately 54,619 miles and involved another lifter failure along with traction control problems. The third failure occurred at approximately 65,140 miles. The check engine warning light illuminated while the vehicle was being driven, and the vehicle again experienced engine-related problems. The vehicle has now been at the dealership for more than one week, and no repair or permanent solution has been provided. I am concerned that these repeated engine failures and traction control problems create a serious safety risk, particularly because the vehicle is driven on public roads and highways. Despite previous repairs, the engine problems continue to recur. I am requesting that NHTSA investigate these repeated safety-related failures.

Piston ring went bad causing catastrophic engine failure. Now needs new motor. Only had 62k miles. It had been burning oil but was taken to the dealership for maintenance and they didn’t report anything.

Driving the vehicle down the highway at approximately 65 miles per hour, the check engine light came on and the engine went into limp mode, slowing immediately. Upon getting the vehicle to the left shoulder on a busy highway, the vehicle displayed "engine overheating", "battery low", and 0% oil life. A full oil and filter change had been done less than 1000 miles ago and upon checking the oil, it was at the correct level. The engine completely failed and is not being replaced at a Chevrolet dealership. I completed the recall n252494003 on March 5th, 2026 which comprised of an engine inspection, higher viscosity oil, a new oil cap, filter replacement, and owner's manual insert. The engine still failed and required replacement despite having this done.

While driving, my Chevrolet Tahoe suddenly developed a severe, rhythmic bottom-end engine knock, indicating a catastrophic internal mechanical failure. I immediately took the vehicle to an authorized Chevrolet dealership on may 29, 2026, for emergency diagnosis. The dealership technicians officially diagnosed the issue as a severe lower-end engine failure. They deemed the engine unrepairable and determined that a complete long-block engine replacement is required. As of today, July 6, 2026, the vehicle has been sitting at the dealership for over 5 weeks and has yet to be fixed. The prolonged delay and sudden mechanical failure present a severe safety hazard, leaving me without a vehicle due to known gm manufacturing defects currently under NHTSA investigation. This report is being filed to document the failure of the 6. 2l engine lower end, the necessity of a full long-block replacement, and the ongoing repair delay.

I was on the interstate. Initially I heard a faint rattling sound. I turned off the radio and ac to listen more closely; the sound was not audible. But then traffic came to a standstill. As I slowed, that barely audible noise began to sound like something boiling in the engine. The temperature and pressure gages were all in normal operating ranges. I pulled to the shoulder of the interstate and checked under the hood. I noticed a distinctive squeaking sound although the fan belt was intacted in running true. There was no sign of any fluid loss in the engine compartment or underneath the vehicle. While attempting to get to a Chevrolet dealership one exit away, the vehicle stopped running while at a stop light. Additionally, there is a recall on this vehicle for the automatic braking system. Gm and the dealerships are aware of this recall yet this website states there are no recalls.

After a car wash, the car started to smoke out of a tail pipe, down shifting hard, car was shaking while running in park in the driveway- so we took it right to chevy turnersville, and they are now saying the whole engine is internally damaged ( not by the carwash) and the whole engine needs to be replaced. The trucks warranty just expired in Feb, the car ran perfectly fine before this. I dont understand how an engine just stops working this fast and out of no where. We took very good care of this truck. Oil changes every time we needed, new tires, new alignment, the mile recommendations, everything! and this happens out of no where. It will now cost $12,000 to repair this which we do not have. Please help and explain this.

2021 chevy Tahoe with 6. 2 engine (VIN: [xxx]) has been experiencing severe oil consumption, and making odd noises during operation. All while notshowing any recalls for the issue. Although there's an active recall/investigation into the 6. 2 l87 engine, which my vehicle has. I've been having valvoline document the severe oil consumption during oil changes per manufacturer specs. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Date: 06/17/2026 the engine shuts off without warning while I am driving, recurring roughly every 10 miles. When it stalls, the dashboard and electrical accessories stay on, but the vehicle loses motive power, along with power steering assist and power brake assist, which is extremely dangerous at road speed and in traffic. This began immediately after dealer service completed on 6/18/2026. During that visit the dealer performed two safety recalls (n252494000, the "l87 engine loss of propulsion" picoscope inspection with oil change; and n252510321, ecm software reprogramming) and a valve lifter replacement that required removing both cylinder heads. The vehicle was running and fully drivable when I dropped it off, and was returned stalling repeatedly while driving. It never did this before the service. At first the engine would not restart after stalling. The dealer replaced the starter; it now restarts but continues to stall every ~10 miles. A dealer diagnostic scan recorded numerous "lost communication" codes across nearly all control modules, plus control-module input-power codes showing low voltage and power-circuit correlation faults (e. G. , u3505, u3018, u3007) and an active loss-of-communication code for the power steering module — consistent with an intermittent loss of electrical power or ground affecting engine control. The engine passed the recall's connecting-rod/crankshaft (picoscope) inspection, so this is not the recalled bearing failure mode. The vehicle is currently at the dealership and is undrivable. The dealer has ordered a new engine and apparently also a new radiator for reasons unknown. No crash or injury has occurred to date, but the vehicle lost power while on the freeway at speed multiple times. A gm customer assistance case is open. Repair orders and the diagnostic scan are available on request.

The engine's dynamic fuel management (dfm) lifter failed and damaged the camshaft at around 70,700 miles. The broken components are available for inspection upon request. This failure put occupants at risk because the vehicle suddenly lost power, began shaking violently, and could not accelerate safely in traffic. This unexpected loss of propulsion created an immediate collision hazard. The problem was officially diagnosed and confirmed by a repair service center. It has not been inspected by police or insurance representatives. There were no advance warning signs. At the exact moment of the failure, the check engine light started flashing, the car began shaking heavily, and the engine made a loud knocking sound.