Wrangler L6-4.0L VIN S (2000)
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 reinstallation.
3. Unplug the vacuum check valve from the vacuum supply line fittings.
INSTALLATION
1. Reverse the removal procedures to install.
