GM Service Manual Online
For 1990-2009 cars only

Exhaust Muffler Insulator, Hanger, and Bracket Replacement exhaust

Removal Procedure

The exhaust system uses several different hangers. Insulators are used in conjunction with the hangers to support the exhaust system.


    Object Number: 240947  Size: SH
  1. Remove the nuts and the washers that secure the hanger to the frame rail.
  2. Remove the hanger from the insulator.
  3. Remove the hanger.

Installation Procedure

  1. Install the hanger to the insulator.

  2. Object Number: 240947  Size: SH
  3. Install the hanger to the frame rail with the nuts and the washers.
  4. 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.

    Tighten
    Tighten the hanger retaining nuts to 30 N·m (22 lb ft).