GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information. Support the vehicle with suitable safety stands.

  2. Object Number: 158317  Size: SH
  3. Use a flat bladed tool in order to pry out the auxiliary spring (2) from the frame (1).
  4. Remove the auxiliary spring from the vehicle.

Installation Procedure


    Object Number: 158317  Size: SH
  1. Install the auxiliary spring (2) to the frame by pushing upward and twisting the spring into the frame cup.
  2. Ensure that the auxiliary spring is properly secured.
  3. Remove the safety stands.
  4. Lower the vehicle.