Vacuum Check Valve HVAC: Service and Repair

VALVE-VACUUM CHECK

REMOVAL

NOTE:
- Make note the orientation of the vacuum check valves in the vacuum supply circuit for correct installation position.
- LHD 3.7L engine shown in illustration. Diesel and RHD models similar.




1. Disconnect the vacuum supply line connectors (1) from the vacuum check valve (2) located in the engine compartment near the dash panel and remove the valve.

NOTE: LHD heating-A/C system shown in illustration. RHD similar.




2. Disconnect the vacuum supply line connectors from the vacuum check valve located in the passenger compartment, behind the glove box and remove the valve.

INSTALLATION

NOTE:
- Be sure to install the vacuum check valves into the vacuum supply circuit in the correct orientation as noted during removal.
- LHD heating-A/C system shown in illustration. RHD similar.




1. Position the vacuum check valve (2) into the passenger compartment behind the glove box and connect the vacuum supply line connectors (1) to the check valve.




NOTE: LHD 3.7L engine shown in illustration. Diesel and RHD models similar.

2. Position the vacuum check valve (2) into the engine compartment near the dash panel and connect the vacuum supply line connectors (1) to the check valve.