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Home › Buick › 2002 › LeSabre Custom, 4T65E/MN3 › Repair and Diagnosis › Suspension › Electronic Suspension System - Automatic Level Control › Repair Instructions › Automatic Level Control Air Compressor Head Replacement › Assembly Procedure

Assembly Procedure

  1. Install the new gasket on the air compressor assembly.
    CAUTION: 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.
    Fig 1: Installing New Gasket On Air Compressor Assembly
    G01770143Courtesy of GENERAL MOTORS CORP.
  2. Install the air compressor head on the air compressor assembly with the three bolts. Tighten the 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. Fig 2: Installing Wrap Around Four Wires & Securing With Two Harness Ties
    G01770144Courtesy of GENERAL MOTORS CORP.
  6. Install four wires in the harness tie and install the harness tie on the air compressor head with the bolt. Tighten the bolt to 3 N.m (26 lb in).
  7. Install the air dryer. Refer to AUTOMATIC LEVEL CONTROL AIR DRYER REPLACEMENT .
  8. Install the heat shield and the harness tie on the air compressor bracket with the two bolts. Tighten the two bolts to 4 N.m (35 lb in).
    9. Fig 3: Installing Heat Shield & Harness Tie On Air Compressor Bracket With Two Bolts
    G01770145Courtesy of GENERAL MOTORS CORP.
  9. Connect the air compressor connector to the connector anchor.
  10. Install the air compressor on the vehicle. Refer to AIR COMPRESSOR REPLACEMENT .
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