Muffler: Service and Repair

Muffler Replacement (RPOs LE5/LSJ)

Removal Procedure

Important: The factory equipped welded exhaust muffler pipe can be cut and reused when installing a service muffler, if the muffler pipe is in acceptable condition.




1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Support the exhaust muffler.
3. Cut the exhaust muffler pipe just forward of the weld at the front of the exhaust muffler using a suitable exhaust pipe cutter.
4. Remove the muffler insulator from the underbody hanger and remove the exhaust muffler.
5. Deburr the muffler pipe end as necessary.

Installation Procedure




1. Slide the muffler inlet pipe over the muffler pipe, then install the muffler insulator to the underbody hanger.




2. Install a service muffler clamp to the muffler inlet pipe. Position the clamp approximately 19 mm (¾ in), from the edge of the muffler inlet, with the clamp nuts oriented away from the evaporative emission (EVAP) canister.
3. Align the muffler and tailpipe to the vehicle underbody and rear bumper fascia.

Notice: Refer to Fastener Notice.

4. While maintaining muffler positioning, tighten the exhaust clamp nuts.

Tighten the nuts to 45 N.m (33 lb ft).

5. Lower the vehicle.