gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Defroster Mode Door Valve|Page 9606 > < Auxiliary Mode Valve and Seal Assembly Connector, Rear|Page 9603
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Air Door Actuator / Motor: Service and Repair
Defroster Mode Door Valve

Valve Removal And Installation (Typical)

Remove or Disconnect

1. The window defroster vent. 
2. The vacuum hose from the valve.
3. The valve by unsnapping from the heater case.
4. The linkage from the valve.

Install or Connect

1. The linkage to the valve.
2. The valve by snapping to the heater case.
3. The vacuum hose to the valve.
4. The window defroster vent. 

Defroster Mode Door Valve|Page 9606 > < Auxiliary Mode Valve and Seal Assembly Connector, Rear|Page 9603