Table 1 shows two common air brake related problems of the 2003 GMC Envoy. The number one most common problem is related to the air brake antilock (two problems). The second most common problem is related to the air brake disc rotor (one problem).
| Problem Category | Number of Problems |
|---|---|
| Air Brake Antilock problems | |
| Air Brake Disc Rotor problems |
While traveling at or less than 35 mph, on bright sunny day and on dry pavement vehicle would not stop, brake pedal went to the floor. Let it up and pressed it to the floor again without success. On third attempt jammed the pedal to the floor and the entire car locked up. Read details...
The rotors on our 2003 GMC Envoy completely rusted out, to the extent that they could not even be turned, 13 months after purchase. There was approximately 1/3 of the brake pads still unused. We had to replace all rotors and pads, as the rotors scored the pads. Read details...