Exhaust Muffler Replacement Dual
Removal Procedure
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
Notice: To prevent internal damage to the flexible coupling of the catalytic
converter assembly, the converter must be supported. The vertical movement
at the rear of the catalytic converter assembly must not exceed 6 degrees
up or down.
- Support the exhaust system.
- Remove the exhaust tail
pipe.
Important: The cut must be made as close to the muffler as possible to ensure adequate
overlap for clamping.
- Cut the exhaust pipe (1) at the exhaust muffler in front of the
weld (2).
- Remove the exhaust muffler
rear hanger insulators from the exhaust muffler.
- Remove the exhaust muffler.
Installation Procedure
- Install the exhaust muffler.
- Install the exhaust muffler rear hanger insulators to the exhaust
muffler.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Connect the exhaust
muffler to the exhaust pipe with a exhaust muffler inlet pipe clamp.
Tighten
Tighten the exhaust muffler inlet pipe clamp nuts to 50 N·m
(37 lb ft).
- Install and adjust the
exhaust tail pipe.
- Tighten the tail pipe clamp.
Tighten
Tighten the tail pipe clamp to 35 N·m (26 lb ft).
- Remove the support from the exhaust system.
- Inspect the exhaust system for leaks and underbody contact.
- Lower the vehicle.
Exhaust Muffler Replacement Single
Removal Procedure
Important: The muffler is serviced as a complete assembly and cannot be serviced
separately.
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
in General information.
- Support the exhaust system.
- Remove the catalytic converter from the muffler. Refer to
Catalytic Converter Replacement
.
- Remove the exhaust system from the exhaust hangers.
- Clean the catalytic converter and the muffler gasket mating surfaces.
Installation Procedure
- Install the muffler to the exhaust hangers.
- Support the exhaust system.
- Install a new gasket to the catalytic converter and the muffler.
- Install the catalytic converter to the muffler. Refer to
Catalytic Converter Replacement
.
- Remove the exhaust system support.
- Lower the vehicle.
- Inspect for exhaust leaks.