GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the rear spring from the hanger. Refer to Spring Leaf Replacement .

  2. Object Number: 178946  Size: SH
  3. Remove the hanger nuts.
  4. Remove the hanger bolts.
  5. Remove the hanger from the frame.

Installation Procedure


    Object Number: 178946  Size: SH
  1. Install the hanger to the frame.
  2. Install the hanger bolts.
  3. 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.

  4. Install the hanger nuts.
  5. Tighten
    Tighten the nuts to 100 N·m (74 lb ft).

  6. Install the rear spring to the hanger. Refer to Spring Leaf Replacement .