GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2000 🢒 Firebird 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 HVAC Control Vacuum Harness Replacement

Removal Procedure
  1. It is not necessary to replace the entire vacuum harness if there is a localized leakage or collapse in the vacuum hose.

    2. If there is a localized leak or collapse in the vacuum hose, repair the vacuum hose:

    1.1. Cut the vacuum hose.
    1.2. Insert a plastic retainer into the vacuum hose.

    Object Number: 282918 Size: SH
  2. Remove the heating, ventilation and air conditioning (HVAC) control. Refer to Control Assembly Replacement .
  3. Open the instrument panel (IP) compartment.

    4. Push in on both sides of the IP compartment. This will cause the IP compartment to drop open completely to allow access to the vacuum harness.

  4. Disconnect the vacuum harness connector from the vacuum selector valve.

    5. Object Number: 282926 Size: SH
  5. Disconnect the vacuum harness jumper from the main harness connector.

Installation Procedure

    Object Number: 282926 Size: SH
  1. Connect the vacuum harness jumper to the main harness connector.

    2. Object Number: 282918 Size: SH
  2. Connect the vacuum harness connector to the vacuum selector valve.
  3. Close the IP compartment.
  4. Install the HVAC control. Refer to Control Assembly Replacement .