GMC C4500 owners have reported 5 service brakes related problems since 1996. Table 1 shows the 4 most common service brakes problems. The number one most common problem is related to the vehicle's service brakes (2 problems). The second most common problem is related to the vehicle's brake hoses, lines/piping, and fittings (1 problem). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Service Brakes problems | |
| Brake Hoses, Lines/piping, And Fittings problems | |
| Brake Disc Caliper problems | |
| Power Assist Hydraulic Brake problems |
: the contact stated when the vehicle was traveling 70 mph on clear dry road conditions, traffic stopped abruptly, which required emergency braking of the vehicle. The brakes shuddered violently. When the vehicle was taken to a service dealer, the problem was not identified, although the brakes Read details...
Tl- the contact owns a 2004 general motor company 4500c. The contact stated while traveling 35 miles per hour the brakes were depressed and the brake line exploded. The failure repeated three times, and on each occasion the brake line was replaced by private mechanic. Read details...
Vehicle was experiencing a problem with grease from the rear end leaking onto the left rear wheel braking system. This caused loss of braking in that wheel. Dealer replaced the grease seal with an upgraded seal six times, problem recurred. Real grease seal was replaced. Read details...
My engine stalled due to contaminated fuel. With the key still in the on position, I attempted to stop. I pressed the service brake pedal. The backup brake system did not operate. I repeated pressing the brake pedal two more times. I understood. Read details...