GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 Suspension 🢒 Air Suspension 🢒 Air Spring Replacement

Removal Procedure
  1. Block the wheels of the axle.
  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. Support the frame using jack stands.

    5. Object Number: 200663 Size: SH
  5. Remove the locknuts (3) and the washers that connect the air spring (1) to the cross channel (2).
  6. Remove the air line that connects to the air spring (1).
  7. Remove the brass air fittings from the air spring (1).

    8. Object Number: 200665 Size: SH
  8. Remove the locknuts (2) and the washers that connect the air spring (1) to the upper frame hanger.
  9. Remove the air spring (1).

Installation Procedure

    Object Number: 200665 Size: SH
  1. Connect the air spring (1) to the air spring frame hanger.

    2. Object Number: 200663 Size: SH
  2. Connect the air spring (1) to the cross channel (2).

    3. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the washers and the locknuts (3) that connect the air spring to the cross channel.

    4. Tighten
    Tighten the locknuts to 330 N·m (243 lb ft).


    Object Number: 200665 Size: SH
  4. Install the washers and the locknuts (2) that connect the air spring (1) to the air spring frame hanger.

    5. Tighten
    Tighten the locknuts to 34 N·m (25 lb ft).

  5. Install the brass air fitting to the air spring using a Teflon® thread seal.
  6. Connect the air lines to the air springs.
  7. Lower the frame of the vehicle.
  8. Unblock the wheels.
  9. Refill air into the system.