GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2002 🢒 Eldorado 🢒 Suspension 🢒 Automatic Level Control 🢒 Air Compressor Replacement

Removal Procedure

    Object Number: 280205 Size: SH
  1. Raise the vehicle and suitably support. Refer to Lifting and Jacking the Vehicle in General Information.

    2. Important: Before disconnecting any air hose or air tube, clean the components and the surrounding area to prevent dirt and other foreign material from entering the ELC system.

  2. Disconnect the air tube from the air dryer.
  3. Remove the air tube from the air compressor bracket.
  4. Disconnect the vehicle harness connector from the air compressor connector.

    5. Object Number: 280202 Size: SH
  5. Remove the intake air filter from the vehicle.
  6. Remove the 3 bolts and the air compressor assembly from the vehicle.

    7. Object Number: 653213 Size: SH
  7. Remove 3 bolts and the air compressor assembly from the bracket.
  8. Remove the air dryer from the air compressor. Refer to Automatic Level Control Air Dryer Replacement .
  9. Remove the air hose from the air compressor at 2 places.

    10. Object Number: 238307 Size: SH
  10. Remove the 2 screws and the brackets from the air compressor.

Installation Procedure

    Object Number: 238307 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Install the 2 brackets on the air compressor with 2 screws.

    2. Tighten
    Tighten 2 screws to 7 N·m (62 lb in).

  2. Connect the air hose to the air compressor at 2 places.
  3. Install the air dryer on the air compressor. Refer to Automatic Level Control Air Dryer Replacement .

    4. Object Number: 653213 Size: SH
  4. Install the air compressor assembly onto the bracket with 3 bolts.

    5. Tighten
    Tighten 3 bolts to 3 N·m (26 lb in).


    Object Number: 280202 Size: SH
  5. Install the air compressor assembly on the vehicle with 3 bolts.

    6. Tighten
    Tighten the 3 bolts to 15 N·m (11 lb ft).

  6. Install the intake air filter on the vehicle.

    7. Object Number: 280205 Size: SH
  7. Connect the air tube to the air dryer.
  8. Install the air tube on the air compressor bracket.
  9. Connect the vehicle harness connector to the air compressor connector.

    10. Important: Before driving the vehicle, turn the ignition on and wait approximately 45 seconds. This will permit the ELC system to execute the ARC, ensuring that the air adjustable struts are filled with residual pressure.

  10. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.