This vehicle at 11,000 miles one year ago went for state inspection and the rotors were so rusted that they could not be refaced so they were replaced under the general vehicle 3 yr 30,000 mile warranty. Then today at 27140 miles during state inspection the rotors were once again rusted so badly that they required replacement. Failure of these items could cause failure of braking system. Explanation from dealer without any testing was that this was due to the road salt. None of my other gm vehicles ( 1991 jimmy with 169,000 miles,and a 1996 grand am with 159,000 miles) exhibit this symptom even though they are used on the on the same roads. There must be a problem with the specification for the metal in these rotors. This improper specification may lead to possible cracking of these rotors. I am requesting the old parts from the repair shop so that gm may inspect them. Being a quality engineer I know that gm will want these back to perform metallurgical analysis on the rotors and find the root cause of the rust.
2001 GMC Jimmy brakes complaints
Page 2 of 2: complaints 11 to 15 of 15, newest first, as owners wrote them.
Problems with my 2001 gmc jimmy have been numerous including ignition switch, wheel bearings, clanking noise, roaring noise, windshield wiper failure, windshield wiper hose failure, battery, A/C, and so on. Currently, my vehicle clanks approximately 15 minutes after turning off the engine and my A/C does not work properly at all times. Dealership consistently says "there's nothing wrong" however I have had the vehicle for 2+ years and I know my car.
Vehicle has non-engaging transmission as at times it will not shift though it is an automatic and sometimes it starts out in 2nd and then drops down to 1st. Service engine soon light illuminated on 3 occasions as there were emissions problems. Front end makes constant popping noise. Problem has been lubed on 3 or more occasions as well as coil springs have been replaced and lubed. Brakes went completely out while trying to stop at an intersection. There was a rupture in the brake booster.
Upon applying brakes there was a grinding noise and vehicle would not stop. Consumer had to pull into another lane to avoid hitting another car. Cause unknown. Please provide any further information.
Consumer has had to replace brake pads and rotors several times. Vehicle checked by dealer, who advised consumer that rotors were defective and being warped. Consumer very concerned about brake effectiveness while driving vehicle.
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