2003 Chevrolet Silverado 2500 power train problems
30 owner complaints filed with NHTSA name the power train on the 2003 Chevrolet Silverado 2500 — 7% of all complaints for this model year.
What owners report
“The component that failed according to the Chevrolet dealer is the "transfer case pump clips", which came loose inside the transfer case and wore a hole through the case causing the oil to come out. If I would not have noticed the oil on the back of my truck, I could have continued to drive the…”
filed Jul 10, 2023
“I had to replace the replace the housing on my transfer case as it wore a hole in and was leaking. At a cost of 1200 dollars due to myself catching it early as later with a fully disabled case would have been 2600 dollars. My mechanic who deals in transmission repairs told me this a very common…”
filed Oct 12, 2022
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 Silverado 2500 years
| Year | Reports | Share |
|---|---|---|
| 2025 Silverado 2500 | 6 | 27% |
| 2024 Silverado 2500 | 36 | 26% |
| 2023 Silverado 2500 | 17 | 39% |
| 2022 Silverado 2500 | 18 | 20% |
| 2021 Silverado 2500 | 28 | 33% |
| 2020 Silverado 2500 | 29 | 29% |
| 2019 Silverado 2500 | 9 | 12% |
| 2018 Silverado 2500 | 6 | 12% |
| 2017 Silverado 2500 | 9 | 17% |
| 2016 Silverado 2500 | 18 | 15% |
| 2015 Silverado 2500 | 20 | 11% |
| 2014 Silverado 2500 | 5 | 13% |
Other reported problem areas on the 2003 Chevrolet Silverado 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.