GMC Acadia owners have reported 686 engine and engine cooling related problems since 1996. Table 1 shows the 32 most common engine and engine cooling problems. The number one most common problem is related to the vehicle's engine and engine cooling (435 problems). The second most common problem is related to the vehicle's check engine light on (73 problems). For details of each of the problem category, use the links in the table.
I have a 2021 GMC Acadia that keeps saying steering assist not available. But when it does this, the temperature gage stops working and so does the ac. After you turn the car off the fan still runs for at least 10 minutes. Read details...
Looking into a check engine light I found I had a misfire in a few cylinders. Looking into it I found oil in my spark plug tubes, my coils were perfectly dry and the top of the tubes were dry as well. Looking into this issue I found multiple TSB forms for the issue stating there was a manufacture Read details...
When driving in traffic and slowing down or coming to a stop. The vehicle goes completely dead. I will have to restart at each stop. When it does start, it is not a smooth take off, it is extremely rough, almost like a manual transmission in the wrong gear. This should not be happening. Read details...
The steering two days prior to the incident was really tight and hard to steer as is there were no power steering the vehicle two days later broke down on the interstate I went from 70mph to 30mph within seconds was almost rear ended the seat belt jerked my shoulder it jerked so hard when the Read details...
Timing chain/belt. SUV is making a loud rattle when turning vehicle on. I got this issue "fixed" last yea right at 79,000 miles. Warranty paid for it. 20,000 miles late I am having the same issue again, rattle noise, engine light on, air bag light is on. Read details...