Table 1 shows two common service brakes related problems of the 2019 GMC Terrain. The number one most common problem is related to the service brakes (63 problems). The second most common problem is related to the power assist brake vacuum (two problems).
| Problem Category | Number of Problems |
|---|---|
| Service Brakes problems | |
| Power Assist Brake Vacuum problems |
Brake assist light came on and brake pedal became stiff/hard to push. Vehicle struggled to brake. Replaced brake pads and checked brake fluid. Brakes still inoperable. Check engine light came on for vacuum pump. When replacing pump, metal shards and pieces were falling out when original was removed. Read details...
The contact owns a 2019 GMC Terrain. The contact stated that while stopped and attempting to turn to exit a highway ramp, he observed a loud banging noise emanating from the engine compartment. An "engine reduced power" message appeared. Read details...