Blend Door Replacement
REMOVAL
WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO DISABLE THE AIRBAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN AN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.
1. Remove and disassemble the HVAC housing. Refer to Heating and Air Conditioning/ Housing Assembly HVAC/ Service and Repair. Service and Repair
2. Remove evaporator from lower case to ease access to plastic door shaft bushing.
3. Pinch the retention tabs holding the blend door pivot shaft to the case. The 3 plastic tabs, located on the inside of the case, are part of the shaft retainer.
4. Remove door(s).
INSTALLATION
1. Install the blend door(s) by snapping the pivot shaft into the HVAC case.
2. Install the evaporator in the lower case.
3. Reassemble the HVAC housing and install in the vehicle. Refer to Heating and Air Conditioning/ Housing Assembly HVAC/ Service and Repair. Service and Repair
Fig.20 Blend Door Sub-Assembly:
NOTE: The blend door sub-assembly is attached to the housing with 2 screws, and may be removed for service.