Vacuum Reservoir HVAC: Service and Repair

Heater Module - Disassembled View (1 Of 2):

(2 Of 2):

During heavy acceleration the vacuum supply from the intake manifold drops. Under load conditions a check valve in the vacuum tank maintains vacuum so that it will be available for continuous use by the vacuum operated actuators.

Remove or Disconnect

1. Negative battery cable.
2. Instrument panel Trim Pad. Refer to Instrument Panel Pad in Instrument Panel, Gauges and Console.
3. Air distribution ducts.
4. Vacuum line from tank.
5. Vacuum tank from module.

Install or Connect

1. Vacuum tank.

Tighten
^ Screw to 1 N.m (9 lb in).

2. Vacuum line to tank.
3. Air distribution ducts.
4. Instrument panel pad.
5. Negative battery cable.

Tighten
^ Bolt to 16 N.m (12 lb ft).