NHTSA Complaint #11706444 — 2025 GMC SIERRA 3500
ENGINE issue reported to NHTSA
Complaint Details
| ODI Number | 11706444 |
| Vehicle | 2025 GMC SIERRA 3500 |
| Component | ENGINE |
| Date of Incident | |
| Date Filed | |
| Mileage | N/A miles |
| Crash | No |
| Fire | No |
| Injuries | 0 |
| Deaths | 0 |
| Vehicle Towed | No |
| State | WI |
Consumer Description
Oil cooler for truck is defective and thus allowed all oil to be mixed with the coolant. GM is stating they will flush engine and replace with exact same part. Very common issue and sad to have a $100k truck and it is junk.
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