Muffler: Service and Repair

MUFFLER

REMOVAL
3.7L/4.7L ENGINE





1. Raise the vehicle and support the rear of the vehicle by the side rails and allow the axle to hang free.
2. Saturate the bolts and nuts (2) with heat valve lubricant. Allow 5 minutes for penetration.
3. Position a jackstand under the rear axle.
4. Remove RH rear shock absorber and RH side of stabilizer bar.
5. Remove the front exhaust pipe/catalytic converter to muffler/tailpipe assembly flange nuts (2) and ground strap (5).
6. Remove tailpipe/muffler assembly (3) from Isolators.
7. Remove the muffler/tailpipe assembly (3) from vehicle.

INSTALLATION





1. Position muffler and tailpipe assembly in vehicle.
2. Install insulators.
3. Install bolts and nuts (2) and ground strap (5) at front exhaust pipe/catalytic converter flange (1)
4. Make sure the muffler/tailpipe assembly is correctly positioned and the properly aligned. The minimum clearance between components is 25 mm (1 inch).
5. Tighten nuts (2) to 47 Nm (35 ft. lbs.).
6. Install RH shock absorber and stabilizer bar.
7. Lower the vehicle.
8. Start the engine and inspect for exhaust leaks. Repair exhaust leaks as necessary.