This service bulletin provides a procedure to replace the rear crankshaft seal to correct a customer...
Chevrolet technical service bulletin 23-NA-048 for 2022-2023 Chevrolet Silverado 1500 and 2022-2023 GMC Sierra 1500.
- Bulletin number
- 23-NA-048
- Component
- Engine and engine cooling
- Summary
- This service bulletin provides a procedure to replace the rear crankshaft seal to correct a customer concern of an oil leak from the center of the vehicle.
Owners of these vehicles have filed 969 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2022-2023 20222023
- GMC Sierra 1500 2022-2023 20222023
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