Table 1 shows four common engine and engine cooling related problems of the 2017 GMC Terrain. The number one most common problem is related to the engine and engine cooling (64 problems). The second most common problem is related to the crankcase (pcv) (13 problems).
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling problems | |
| Crankcase (pcv) problems | |
| Gas Recirculation Valve (egr Valve) problems | |
| Engine Oil/lubrication Seals/gaskets problems |
Have had to replace the vvt solenoids several times within a year spam. Had to replace the rear main seal because it blew out due to carbon build up. Having issues with excessive oil consumption. Now the vehicle just started with: going from a stop position to accelerating at low speeds the vehicle Read details...
On January 31, 2026, while driving on the highway, my 2017 GMC Terrain suddenly began shaking as if it was going to stall. Thankfully, I managed to exit the interstate before the vehicle lost power. Luckily, when this happened, it "only" blocked traffic on a side road. Read details...
My check engine light came on along with a a message that states �reduced engine power� and a message reading �service stabilitrek when I was driving on the highway at 70 mph. This created suddenly jerking and slow acceleration so that I had to pull off the road Read details...