Exhaust Muffler Replacement LG5

1. Remove the clamp assemblies to and from the muffler as used.



2. Loosen the clamp assemblies that are around the muffler as used.
3. Remove the clamps from the hangers.
4. Remove the muffler.
5. Inspect all of the components for the following conditions:

•

Cracks

•

Bends

•	Stripped threads

•	Corrosion damage

•

Leaks

6. Replace the above components, as necessary.

1. Slide the clamp assemblies over the muffler ends.
2. Install the exhaust clamps around the muffler.
3. Install a new tail pipe whenever you replace the muffler.



4. Install the nuts and the bolts.

Tighten

1. Tighten the exhaust hanger nuts to 29 N·m (21 lb ft).
2. Tighten the muffler clamp bolts to 73 N·m (54 lb ft).

Exhaust Muffler Replacement L18

1. Remove the nuts from the catalytic converter to muffler flange.



2. Remove the clamp assemblies from around the muffler.



3. Remove the nuts.
4. Remove the muffler.
5. Inspect the components for the following conditions:

•

Cracks

•

Bends

•	Stripped threads

•	Corrosion damage

•

Leaks

6. Repair or replace any damaged components as necessary.

1. Install the muffler assembly to the exhaust manifolds and install the nuts.



2. Install the catalytic converter to muffler flange nuts.



3. Install the exhaust clamps around the muffler and install the nuts.

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.

4. Tighten the fasteners.

Tighten

•	Tighten the catalytic converter to muffler flange nuts to 64 N·m (47 lb ft).

•	Tighten the muffler to exhaust manifold nuts to 50 N·m (39 lb ft).

•	Tighten the exhaust hanger nuts to 29 N·m (21 lb ft).

•	Tighten the muffler clamp nuts to 50 N·m (37 lb ft).