2003 GMC C4500 Brakes Problems
- Complaints
- 2about this part
- Share
- 33%of 6 total for the year
- Median mileage
- 41,150miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the brakes of the 2003 GMC C4500, 33% of the 6 complaints for this model year. Where a mileage was given, the median is 41,150 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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. I was closing the distance between my vehicle and the one in front of me approaching the traffic signal, red. The brake pedal switch failed to initiate the relays and pump. Consequently, the vehicle had practically no brakes other than the drum brake by hand brake handle. I applied the hand brake. …”
NHTSA complaint #10095888, filed 2004-10, 79,000 miles“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.”
NHTSA complaint #10111189, filed 2005-03, 3,300 milesRelated service bulletins
- 10039488Jun 1, 2011Gm: the abs warning light ison and abs wheel speed sensor trouble codes are stored.
- 10032455Oct 1, 2009Chevrolet/gmc: brake assist pump motor on and warning light/chime. Owners may comment when turning the steering wheel with the brake applied that the hydraulic brake assist pump…
- 10032452Oct 1, 2009Gmc/chevrolet: service brake soon indicator with dtc c0272. Some customers may state the service brake soon indicator comes on. May also comment the audible brake warning buzzer…
- 10033631Sep 1, 2009Isuzu/gmc/chevrolet: diagnostic information for inoperative air seats, air horn and/or exhaust brake and release of new auxiliary air compressor relay and pressure switch on rpo…
Brakes: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2003 | 2 | 33% |
Other parts of the 2003 GMC C4500
2 complaintsEngine cooling
1 complaintsExterior lighting
1 complaintsTires
1 complaints
← All problems reported for the 2003 GMC C4500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology