GMC C4500 owners have reported 1 problem related to differential unit (under the power train category). The most recently reported issues are listed below.
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. The driver side brake caliper bolt fell out causing the caliper to rub the inside of the inner dual wheel causing damage to the caliper and wheel.
See
all problems of the 2003 GMC C4500
🔎.
| Problem Category | Number of Problems |
|---|---|
| Transmission Solenoid problems | |
| Automatic Transmission problems | |
| Clutch Bell Housing problems | |
| Differential Unit problems |