Most common problems: GMC Sierra 1500

Driver seat track continues to break in less than 10,000 miles. Dealer has already replaced two and now the third is broken as well.

GM has a known issue with coolant control valves that can cause vehicles to go into reduced power mode creating drive-ability and safety concerns in busy traffic situations. They have issued a TSB (N252508341) for certain VIN numbers but have ignored similar issues in other VINs.

The engine does not run properly. Consumes oil at a rapid pace. I have been to the dealership multiple times and it keep saying it is within normal GMC guidelines. I recently got an oil change and drove 1,400 miles. My truck had little to no oil left.

I am filing a safety complaint regarding my 2022 GMC Sierra 1500 Limited Denali equipped with the 6.2L L87 V8 engine. My vehicle has developed a persistent engine knocking noise that becomes more noticeable as the engine reaches operating temperature. The knocking continues despite completion of the applicable engine …

The contact owns a 2023 GMC Sierra 1500. The contact stated that while performing an oil change at the residence, the contact became aware that the transmission cooling system was inoperable and that the transmission cooler lines were leaking. The vehicle was taken to the dealer, where it was diagnosed and determined t…

**Subject: Complete Engine Seizure After GM Recall Remedy – 2024 GMC Sierra Denali 1500, 6\.2L V8** I am reporting a catastrophic engine failure involving my 2024 GMC Sierra Denali 1500 equipped with the 6\.2\-liter L87 V8 engine\. At an earlier date, my vehicle underwent GM safety recall 25V274\. The dealership perf…

While the truck was under warranty it would go into limp mode. A dealer said they replaced the valve body but it did not look like anything had been done to it. It didn’t go into limp mode and seemed fine for a couple of months then it went into limp mode again and we took it back to the dealership. The hooked a scann…

My vehicle has now been at the dealer two times for issues with the engine. The first time they said my lifters needed to be replaced. They rebuilt the engine to replace the lifters and other engine parts. I picked the truck up and two days later I was driving home and the engine quit on me and I had to pull to the …

The bezel that attaches to the top of the grill flew off while I drove down the interstate. It went over my truck and almost hit the car behind me and in the lane next to me. The mounting points failed and most of them as still connected to the grill. The grill has some broken plastic mounting and several cracks in the…

I had an engine replaced at 7214 Miles, and now the second engine at 39057 This is a 2022 GMC Sierra AT4, 1500 6.2 engine