GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 200665  Size: SH
  1. Block the front wheels.
  2. Drain the air pressure from the air springs.
  3. Raise the frame of the vehicle in order to remove the load from the suspension.
  4. Remove the air lines that connect to the air spring.
  5. Remove the brass air fittings from the air spring.
  6. Remove the locknuts (2) and the washers that connect the air spring (1) bracket to the frame side rail.

  7. Object Number: 200676  Size: SH
  8. Remove the locknut (1) and the washer (2) that connect the air spring (4) to the air spring frame hanger (3).
  9. Remove the air spring frame hanger (3).

Installation Procedure


    Object Number: 200676  Size: SH
  1. Connect the air spring frame hanger (3) to the top of the air spring (4).

  2. Object Number: 200665  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.

  3. Install the following components that connect the air spring frame hanger (1) to the frame:
  4. • The bolts
    • The washers
    • The locknuts (2)

    Tighten
    Tighten the locknuts in 37 N·m (50 lb ft) increments to 330 N·m (243 lb ft).


    Object Number: 200676  Size: SH
  5. Install the washer (2) and the locknut (1) that connect the air spring (4) to the air spring frame hanger (3).
  6. Tighten
    Tighten the air spring to air spring frame hanger locknut to 34 N·m (25 lb ft).

  7. Install the brass air fitting to the air spring using a Teflon® thread seal.
  8. Unblock the wheels.
  9. Refill the system with air.