GMC Sierra owners have reported 246 engine and engine cooling related problems since 1996. Table 1 shows the 33 most common engine and engine cooling problems. The number one most common problem is related to the vehicle's engine and engine cooling (58 problems). The second most common problem is related to the vehicle's gasoline engine (19 problems). For details of each of the problem category, use the links in the table.
See attached document for complaint. Read details...
Hard knock of engine on startup,worse in colder weather, lasting a couple of minutes. Have reported problem to manufacturer and dealership whom both state this knock is normal and would have no bearing on the longevity or durability of the motor. Read details...
1997 GMC Sierra. Consumer writes in regards to issues with the engine. The consumer stated, according to the owner's manual, the vehicle should be able to pull 6,000lb load. But, the vehicle misfired, lost speed, and stalled while pulling less than 4,000lbs. Read details...
My 2016 GMC Sierra 3500 diesel denali has been in the shop 5 times and over 50 days since November 4, 2017 for an emissions issue. On November 4 while driving, I received a check engine light that said to service the exhaust system and a countdown started, reducing the speed of the vehicle by 10 Read details...
The contact owns a 2002 GMC sierria. The contact received notification of NHTSA campaign number: 15v201000 (engine and engine cooling); however, the part needed to perform the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. Read details...