Muffler: Service and Repair

Exhaust Muffler Replacement (LNJ) (3.4L)

Removal Procedure




1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
2. Remove the catalytic converter pipe flange to muffler pipe flange nuts.




3. With the aid of an assistant, separate the rubber insulators (5, 6, and 7) from the exhaust pipe hangers (1, 2, and 3).




4. With the aid of an assistant, remove the muffler assembly (3) from catalytic converter (1) and the vehicle.

Installation Procedure




1. With the aid of an assistant, install the muffler assembly (3) to catalytic converter (1) and the vehicle.




2. With the aid of an assistant, install the rubber insulators (5, 6, and 7) to the exhaust pipe hangers (1, 2, and 3).




3. Install a NEW catalytic converter to muffler gasket onto the studs.

Caution: Refer to Fastener Caution (Fastener Caution).

4. Install the catalytic converter pipe flange to muffler pipe flange nuts and tighten to 37 Nm (27 lb ft).
5. Lower the vehicle.