Muffler Replacement

Muffler Replacement (LH8)

Removal Procedure
Caution: Refer to Exhaust Service Caution (Exhaust Service Caution) .
Caution: Refer to Protective Goggles and Glove Caution (Protective Goggles and Glove Caution) .





1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair) .
2. Measure from the inlet of the resonator towards the front of the vehicle 20 mm (.79 in) (1) and make a mark.
3. Cut the muffler pipe at this mark.




4. Separate the muffler pipe from the insulators (1).
5. With the aid of an assistant remove the muffler pipe (2) from the front exhaust pipe.




6. If replacing the front exhaust pipe, perform the following steps, otherwise proceed to step 7 in the installation procedure.
7. Remove the catalytic converter to the muffler pipe nuts (1).
8. Loosen the muffler pipe clamp (2) at the catalytic converter.




9. Separate the front exhaust pipe from the insulator (1).
10. Remove the front exhaust pipe (2) from the catalytic converters.



Installation Procedure





1. To aid in the installation of the front exhaust pipe and the muffler pipe, add a non petroleum based lubricant to the hangers and the insulators.
2. If replacing the front exhaust pipe perform the following steps, otherwise proceed to step 7.
3. Position the front exhaust pipe to the catalytic converters.
4. Install the front exhaust pipe (2) to the insulators (1).

Notice: Refer to Fastener Notice (Fastener Notice) .





5. Install the front exhaust pipe to the catalytic converter nuts (1).

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

6. Tighten the front exhaust pipe clamp (2) at the catalytic converter.

Tighten the front exhaust pipe clamp to 43 N.m (32 lb ft).





7. Install a service clamp over the front exhaust pipe.
Important: The service muffler will come with an oversized inlet to the front exhaust pipe.



8. Install the muffler pipe (2) to the front exhaust pipe.
9. Attach the muffler pipe to the insulators (1).
10. Position the service clamp over the front exhaust pipe joint and tighten the service clamp.

Tighten the service clamp to 43 N.m(32 lb ft).

11. Inspect the exhaust system for leaks and underbody clearance.