Vehicles may experience unwanted air entry through the ventilation system. slc
GMC technical service bulletin 040601 for 1999-2001 GMC Pickup.
- Bulletin number
- 040601
- Component
- Visibility: defroster/defogger/HVAC system
- Summary
- Vehicles may experience unwanted air entry through the ventilation system. Slc
Vehicles covered
- GMC Pickup 1999-2001 199920002001
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