Vacuum Check Valve HVAC: Service and Repair

Fig.24 Vacuum Reservoir Remove/Install:

REMOVAL
1. Unplug the heater-A/C vacuum supply line connector at the vacuum check valve near the engine intake manifold vacuum adapter fitting.
2. Note the orientation of the check valve in the vacuum supply line for correct reinstallation.
3. Unplug the vacuum check valve from the vacuum supply line fittings.

INSTALLATION
1. Using the orientation noted when removed, plug the new check valve into the vacuum harness fitting.
2. Connect the heater a/c supply line on to the vacuum check valve.