GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 LeSabre 🢒 Body 🢒 Wiring Systems 🢒 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: 227993 Size: SH
  2. Remove the air compressor connector from the connector anchor (slide the air compressor connector away from the air compressor and off of the anchor).
  3. Remove the 2 bolts and the heat shield from the air compressor bracket.
  4. Remove the air dryer. Refer to Automatic Level Control Air Dryer Replacement .

    5. Object Number: 227999 Size: SH
  5. Cut the harness tie.
  6. Remove the bolt and the harness tie.

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

  7. Remove the 2 harness ties and the wrap from the wires.

    8. Object Number: 228003 Size: SH
  8. Remove 2 wire terminals from the air compressor connector.
  9. Remove the air hose from the air compressor head.
  10. Remove the 3 head bolts and the air compressor head from the air compressor assembly.
  11. Remove the gasket from the air compressor head or the air compressor assembly.

Assembly Procedure

    Object Number: 228003 Size: SH
  1. Install the new gasket on the air compressor assembly.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the air compressor head on the air compressor assembly with the 3 bolts.

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

  3. Connect the air hose to the air compressor head.
  4. Install the 2 wire terminals in the air compressor connector.

    5. Object Number: 227999 Size: SH
  5. Install the wrap around 4 wires and secure with 2 harness ties.
  6. Install 4 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: 227993 Size: SH
  8. Install the heat shield and the harness tie on the air compressor bracket with the 2 bolts.

    9. Tighten
    Tighten the 2 bolts to 4 N·m (35 lb in).

  9. Connect the air compressor connector to the connector anchor.
  10. Install the air compressor on the vehicle. Refer to Air Compressor Replacement .