General motors: an optional engine block heater plug in for onboard AC power and with continuous usage...
Chevrolet technical service bulletin UIB-117 for 2003-2015 Chevrolet Silverado, 2003-2015 GMC Sierra and 2003-2015 GMC Savana and others.
- Bulletin number
- UIB-117
- Component
- Engine and engine cooling: engine
- Summary
- General motors: an optional engine block heater plug in for onboard AC power and with continuous usage will result in shorting of wires, over heating system, electrical failure and compartment engine fires. Model 2003-15 express cut away vans, silverado chassis cab, savana cut away vans, sierra chassis cab.
Owners of these vehicles have filed 294 complaints in the engine category.
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