2021 Tahoe with l87 engine lifters failed at 2000 miles ,was fixed by dealer then at 82,000 miles same failure only now engine failed, I was driving home when it failed almost got in an accident lost power engine codes were blinking , took to dealer been there since October 20th still at dealership
2021 chevrolet Tahoe engine problems
moderate 104 complaints filed with NHTSA · avg repair $3,100
Complaints
104
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 5 most recent
On [XXX] I was driving in the [XXX] in El Paso Texas at about [XXX] I was about to enter [XXX} and the vehicle suddenly stopped with no warning! I was able to pull to the side and put the blinkers because the traffic was heavy and could of had a vehicle crash into me if I had not maneuver the vehicle quickly(My two daughters where with me in the vehicle). The vehicle prompted to start the vehicle,…
TL* THE CONTACT OWNS A 2021 CHEVROLET TAHOE. THE CONTACT STATED WHILE DRIVING AT LOW SPEEDS, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT RECEIVED A NOTIFICATION FROM ONSTAR THAT THE ENGINE AND TRANSMISSION HAD FAILED. THE VEHICLE WAS TOWED TO BEAVER CHEVROLET (3494 PHILIPS HWY, JACKSONVILLE, FL 32207, (904) 398-3036) TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE ENGINE HAD COLLAPSED. THE…
I was driving on the highway at approximately 35mph when I noticed there was no response from the accelerator. I shifted the vehicle into neutral and coasted onto a side road and call OnStar for assistance. The dashboard indicator said to restart engine. I attempted to restart, but the engine would crank but not turn over (start). The vehicle was towed to the dealership where the fuel pump assembl…
Having to replace the radiator due to it leaking around a plastic connection to metal. Was told by the dealership this has an updated part from GM due to it being a known issue.
Common questions
How serious is the engine problem on the 2021 chevrolet Tahoe?
It's a documented issue but not catastrophic. 104 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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