Service Update
Chevrolet technical service bulletin G-176945 for 2014 Chevrolet Silverado 1500 and 2014 GMC Sierra 1500.
- Bulletin number
- G-176945
- Component
- Fuel system, gasoline: delivery: fuel pump
- Summary
- 13331 - Service Update. Replace the SIDI high pressure fuel pump. The SIDI high pressure fuel pump in these vehicles may have been misbuilt. This could result in extended crank, rough idle, DTCs, MIL for low fuel pressure, and possible loosening or fracture of the pump body-to-flange bolts.
Vehicles covered
- Chevrolet Silverado 1500 2014 2014
- GMC Sierra 1500 2014 2014
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