GMC Sierra 2500 owners have reported 1 problem related to transmission noise (under the power train category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Sierra 2500 based on all problems reported for the Sierra 2500.
The contact owns a 2006 GMC Sierra 2500. The fly wheel, which runs with the transmission and helps change gears has had to be replaced three times within two years. While driving approximately 10 mph during the first failure, there was a loud clicking noise and it became louder over time. The dealer stated the vehicle was operating normally. A few weeks later, the noise was much louder; however, a different dealer 2 hours away diagnosed the vehicle and stated that the fly wheel failed. After being repaired 24,000 miles and a year later, the failure recurred. The fly wheel was replaced again and lasted 5 months before it failed. The power steering shaft also needed to be replaced due to it being worn out and failed again nine months later. The failure mileage was 22,800 and the current mileage was 55,000. Updated 06/08/09
the power steering gear was leaking due to leaking gear assembly, the hvac blower was inoperative, the flywheel was cracked. The dealer replaced the stripped and broken exhaust studs. Updated 06/18/09.
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