Exhaust Muffler with Resonator, Exhaust, and Tail Pipe Replacement LNF
Removal Procedure
- Lower the rear axle assembly. Refer to
Rear Axle Replacement
.
- Remove the resonator pipe to the catalytic converter nuts .
- Separate the resonator pipe and the muffler from the insulators.
- With the aid of an assistant, remove the resonator pipe and the muffler as one unit from the vehicle.
- Discard the catalytic converter to the resonator pipe gasket.
Installation Procedure
- To aid in installation, add a non petroleum based lubricant onto the insulators.
- Clean the mating surface on the catalytic converter of any remaining gasket material.
- With the aid of an assistant, install the resonator pipe and the muffler to the insulators.
- Position the new gasket on to the resonator pipe and install the resonator pipe to the catalytic converter.
Notice: Refer to Fastener Notice in the Preface section.
- Install the resonator pipe nuts.
Tighten
Tighten the resonator pipe nuts to 46 N·m (34 lb ft).
- Install the rear axle assembly. Refer to
Rear Axle Replacement
.
- Inspect for exhaust leaks and underbody clearance.
Exhaust Muffler with Resonator, Exhaust, and Tail Pipe Replacement L61, LE5
Removal Procedure
Notice: Do not over-flex or damage the flex joint when moving the flex joint from the normal mounting position.
Important: A service muffler will be needed when replacing the exhaust resonator pipe on a factory equipped exhaust system.
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
.
Important: Using an appropriate jack stand, support the exhaust resonator pipe.
- Remove the insulators (1) from the resonator pipe (2).
- Remove the insulators (1) from the muffler (3).
- Using an appropriate tool, cut the resonator pipe (4) forward of the weld at the muffler inlet pipe.
- Remove the muffler (3) from the vehicle.
- Remove the resonator pipe nuts (3) from the catalytic converter (4).
- Remove the resonator pipe (1) and the gasket (2) from the catalytic converter (4).
- It may be necessary to deburr the resonator pipe and the muffler inlet pipe ends.
Installation Procedure
- Install the new gasket (2) to the resonator pipe (1).
- Install the resonator pipe (1) to the catalytic converter (4).
Notice: Refer to Fastener Notice in the Preface section.
- Install the resonator pipe nuts (3).
Tighten
Tighten the resonator pipe nuts to 30 N·m (22 lb ft).
- Install the resonator pipe (2) to the insulators (1).
- Install the muffler (3) on to the resonator pipe (4).
- Install the muffler (3) on to the insulators (1).
- Install the service clamp (1) on the exhaust muffler (2).
- Install the service clamp nuts (3).
Tighten
Tighten the service clamp nuts to 45 N·m(33 lb ft).
- Remove the support from the exhaust system.
- Inspect for exhaust leaks and underbody clearance.