Vacuum Harness HVAC: Service and Repair

VACUUM HOSE HARNESS REPLACEMENT

REMOVAL PROCEDURE
The vacuum hose harness is located under the instrument panel. One end of the harness attaches to the HVAC control assembly mode switch with one 6-way molded connector. Another end of the harness attaches to the HVAC control assembly recirculation solenoid with one 2-way molded connector.

The remaining harness attaches to the vacuum actuators and the vacuum tank. The violet hose is the supply hose for the vacuum hose harness. The violet hose (11) connects the vacuum tank to the 6-way mode selector. A grey hose supplies vacuum to the vacuum tank. The grey hose extends through the front of the dash. The grey hose attaches to the engine.

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.

1. Disconnect the negative battery cable.
2. Remove the instrument panel.
3. Remove the air distribution ducts as necessary.
4. Remove the vacuum hoses at the vacuum actuators.
5. Disconnect the vacuum hoses at the following components:
^ The vacuum tank (11)
^ The HVAC control

INSTALLATION PROCEDURE
1. Connect the vacuum hoses to the following components:
^ The vacuum tank (11) The HVAC control
^ The vacuum actuators
2. Install the air distribution ducts as necessary.
3. Install the instrument panel.

NOTE: Refer to Fastener Notice in Service Precautions.

4. Connect the negative battery cable.

Tighten
Tighten the negative battery cable to 16 N.m (12 lb ft).