Exhaust System Insulator, Hanger, Bracket Replacement 6.6L Engine with RPO YF2

1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the exhaust muffler hanger nuts.
3. Remove the hanger from the hanger insulator.

1. Install the hanger into the hanger insulator.

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 exhaust muffler hanger nuts.

Tighten
Tighten the nuts to 50 N·m (39 lb ft).

3. Lower the vehicle.