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

Disassembly Procedure

    Object Number: 344303 Size: SH
  1. Remove the air compressor assembly from the vehicle. Refer to Air Compressor Replacement .

    2. Important: Before disconnecting the air tube from the intake air filter or the air compressor, clean the components and the surrounding area to prevent dirt and other foreign material from entering the air compressor.

  2. Disconnect the air tube from the air dryer.
  3. Remove the bolt and the harness tie, with the air tube from the heat shield.
  4. Remove three bolts and the heat shield from the air compressor bracket.
  5. Remove the air dryer. Refer to Automatic Level Control Air Dryer Replacement .

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

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

  8. Remove the two harness ties and the wrap from the wires.

    9. Object Number: 228003 Size: SH
  9. Remove two wire terminals from the air compressor connector.
  10. Remove the air hose from the air compressor head.
  11. Remove three head bolts and the air compressor head from the air compressor assembly.
  12. 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. 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. Object Number: 227999 Size: SH
  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: 344303 Size: SH
  8. Install the heat shield on the air compressor bracket with three bolts.

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

  9. Connect the air tube to the air dryer.
  10. Install the air tube and the harness tie on the heat shield with the bolt.

    11. Tighten
    Tighten the bolt to 4 N·m (35 lb in).

  11. Install the air compressor on the vehicle. Refer to Air Compressor Replacement .