Mode Valve Actuator Replacement Lower
                    
Removal Procedure
- Disconnect the vacuum hose from the lower mode actuator (2). 
 
- Remove the lower mode actuator (2) from the heater assembly (4).
 
- Remove the linkage from the lower mode actuator (2).
 
Installation Procedure
- Install the linkage to the lower mode actuator (2).
 
- Install the lower mode actuator (2) to the heater assembly.
 
- Connect the vacuum hose to the lower mode actuator (2).
 
                            Mode Valve Actuator Replacement Upper
                    
Removal Procedure
- Remove the lower mode actuator. Refer to 
Mode Actuator Replacement 
.
 
- Disconnect the vacuum hose from the upper mode actuator (1). 
 
- Remove the upper mode actuator (1) from the heater assembly (4).
 
- Remove the linkage from the upper mode actuator (1).
 
Installation Procedure
- Install the linkage to the upper mode actuator (1).
 
- Install the upper mode actuator (1) to the heater assembly (4).
 
- Connect the vacuum hose to the upper mode actuator (1).
 
- Install the lower mode actuator. Refer to 
Mode Actuator Replacement 
.