GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC P42 Commercial Chassis 🢒 Engine 🢒 Engine Exhaust 🢒 Exhaust Muffler Insulator, Hanger, and Bracket Replacement

Removal Procedure

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

Installation Procedure

    Object Number: 240947 Size: SH
  1. Install the hanger to the insulator.

    2. 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.

  2. Install the hanger to the frame rail with the nuts and the washers.

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