Muffler and Tailpipe
Muffler and Tailpipe
Removal
NOTICE: Do not use oil or grease-based lubricants on the isolators. They may cause deterioration of the rubber.
NOTICE: Oil or grease-based lubricants on the isolators may cause the exhaust hanger isolators to separate from the exhaust hanger bracket during vehicle operation.
NOTE: The production muffler and tail pipe assembly is a 1-piece design. The service muffler and tail pipe assembly is serviced with 2 pieces.
1. WARNING: Shut off the electrical power to the air suspension system prior to hoisting or jacking an air suspension equipped vehicle. Failure to do so may result in unexpected inflation or deflation of the air springs, which may result in shifting of the vehicle during these operations. Failure to follow this instruction may result in serious personal injury.
If equipped, turn the air suspension switch OFF.
2. NOTE: RH shown, LH similar.
With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Jacking and Lifting Service and Repair.
3. Remove the 2 nuts, the exhaust damper (if equipped) and the exhaust inlet pipe-to-muffler clamp.
4. Cut the tail pipe as indicated in the illustration.
5. Detach the isolators and remove the tail pipe and muffler.
Installation
1. NOTE: Check the isolator for wear or damage. Install a new isolator as necessary.
Install the tail pipe and attach the isolator.
2. NOTE: Check the isolator for wear or damage. Install a new isolator as necessary.
Install the muffler and attach the isolator.
3. NOTE: Install new exhaust fasteners. Do not tighten the fasteners until all components are assembled.
NOTE: Alternately tighten the fasteners to specification, to draw flanges together evenly.
Connect the muffler and tail pipe and install new fasteners.
- Tighten to 33 Nm (24 lb-ft).
4. Connect the exhaust inlet pipe and muffler.
- Install the clamp, the exhaust damper (if equipped) and the 2 nuts.
- Tighten to 48 Nm (35 lb-ft).
5. If equipped, turn the air suspension switch on.