2002 GMC Sierra 2500 power train problems
14 owner complaints filed with NHTSA name the power train on the 2002 GMC Sierra 2500 — 10% of all complaints for this model year.
What owners report
“I purchase this truck 2/03/17 and have used it until 2 weeks age when the brake lines broke in my driveway, I am having the lines replaced with stainless lines at a cost of about $1200 ( I am not sure of the total cost because it also needs a antilock braking pump which was badly corroded) the fuel…”
filed Dec 4, 2017
“First the transmission cooling lines rusted out costing over 400.00 to repair. Today the brake lines failed because of rust. This will be a very expensive repair. I was fortunate that I was able to avoid crashing the truck when the brakes failed. *tr”
filed Aug 19, 2012
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This…
24-NA-141 · Service Bulletin/Repair Instructions · issued Jul 24, 2024
Power Train problems in other Sierra 2500 years
| Year | Reports | Share |
|---|---|---|
| 2025 Sierra 2500 | 3 | 12% |
| 2024 Sierra 2500 | 23 | 24% |
| 2023 Sierra 2500 | 20 | 67% |
| 2022 Sierra 2500 | 5 | 12% |
| 2021 Sierra 2500 | 12 | 24% |
| 2020 Sierra 2500 | 22 | 30% |
| 2019 Sierra 2500 | 2 | 6% |
| 2018 Sierra 2500 | 3 | 9% |
| 2017 Sierra 2500 | 6 | 16% |
| 2016 Sierra 2500 | 1 | 2% |
| 2015 Sierra 2500 | 8 | 9% |
| 2014 Sierra 2500 | 3 | 10% |
Other reported problem areas on the 2002 GMC Sierra 2500
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.