Three problems related to service brakes have been reported for the 2003 GMC Sonoma. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 GMC Sonoma based on all problems reported for the 2003 Sonoma.
: the contact stated while driving 35 mph attempting to apply brake pressure the vehicle was involved in a crash and the frontal airbags did not deploy. The driver was wearing a seat belt and a police report was filed at the scene. The vehicle sustained frontal damage and was able to be driven home. The dealership was alerted but no appointment has been made for inspection. Updated 4/6/2006 - the consumer has back pain as a result of the accident.
Consumer complained of vehicle handling problems since 5000 miles. Consumer took vehicle to the dealer at least 9-10 times. There was a popping sound in the front end. Consumer had the lower ball joints replaced, and believed the upper ball joints were still bad. Also, there was excessive play in the steering box. This was causing excessive wear on the tires. With any wind the vehicle was blown around. The service writer at the dealership said they didn't want to fix the problem because they were afraid it would make the problem worse, but it was not stated on the service repair sheet. At one point lock tight was put on the bolts to keep them from coming loose. The manifold gasket and thermostat was replaced. On one occasion the vehicle lurched forward, there was a squealing noise coming from the brakes.
When braking left rear brake locked up, causing the truck to pull to the left. Dealership was notified, but the problem was not resolved.
| Service Brakes problems | |
| Brake Hoses, Lines/piping, And Fittings problems |