GMC TSB #PIT4605D
2007 GMC Sierra
Affected Component: EQUIPMENT:APPLIANCE:AIR CONDITIONER
- This Preliminary Information communication provides information to the technician about vehicles that have a cold air leak on the front passenger side while driving. Technician will need to use black RTV silicone and apply over the seam between the upper and lower Heater-Vent-Air Conditioning case halves.