GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1998 🢒 Bonneville 🢒 Suspension 🢒 Automatic Level Control 🢒 Automatic Level Control Air Compressor Head Replacement

Disassembly Procedure
  1. Remove the air compressor assembly from the vehicle. Refer to Air Compressor Replacement .

    2. Object Number: 238326 Size: SH
  2. Remove the air compressor harness from the air compressor bracket.
  3. Remove the air dryer. Refer to Automatic Level Control Air Dryer Replacement .
  4. Cut the harness tie.
  5. Remove the bolt and the harness tie.

    6. Important: Note the wire colors and the terminal numbers to ensure correct assembly.

  6. Remove the two harness ties and the wrap from the wires.
  7. Remove two wire terminals from the air compressor connector.

    8. Object Number: 238327 Size: SH
  8. Remove the air hose from the air compressor head.
  9. Remove three head bolts and the air compressor head from the air compressor assembly.
  10. Remove the gasket from the air compressor head or the air compressor assembly.

Assembly Procedure

    Object Number: 238327 Size: SH
  1. Install the new gasket on the air compressor assembly.
  2. Install the air compressor head on the air compressor assembly with three bolts.

    3. Tighten
    Tighten three bolts to 6 N·m (53 lb in).

  3. Connect the air hose to the air compressor head.
  4. Install the two wire terminals in the air compressor connector.
  5. Install the wrap around four wires and secure with two harness ties.
  6. Install four wires in the harness tie and install the harness tie on the air compressor head with the bolt.

    7. Tighten
    Tighten the bolt to 3 N·m (26 lb in).

  7. Install the air dryer. Refer to Automatic Level Control Air Dryer Replacement .

    8. Object Number: 238326 Size: SH
  8. Connect the air compressor harness on the air compressor bracket.
  9. Install the air compressor on the vehicle. Refer to Air Compressor Replacement .