Muffler: Service and Repair

MUFFLER

REMOVAL
3.7L/4.7L/5.7L ENGINE
1. Raise and support the vehicle.
2. Saturate the clamp nuts with heat valve lubricant. Allow 5 minutes for penetration.
3. Disconnect the muffler hangers.





4. Remove clamps and nuts.
5. Remove the muffler.

INSTALLATION





1. Assemble muffler and clamps loosely to permit proper alignment of all parts.
2. Connect the muffler hangers.
3. Tighten the clamp nuts to 54.2 Nm (40 ft. lbs.) torque.
4. Check the exhaust system for contact with the body panels. A minimum of 25.4 mm (1.0 inch) is required between the exhaust system components and body/frame parts. Make the necessary adjustments, if needed.
5. Lower the vehicle.
6. Start the engine and inspect for exhaust leaks. Repair exhaust leaks as necessary.