Grand Cherokee 2WD V8-5.2L VIN Y (1998)
Vacuum Check Valve HVAC: Service and Repair
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 installation.
3. Unplug the vacuum check valve from the vacuum supply line fittings.
4. Reverse the removal procedures to install.
