Diesel Data: Automotive Repair

Muffler Replacement - Left Side



Exhaust Muffler Replacement - Left Side

Removal Procedure

Caution: Refer to Safety Glasses Caution (Safety Glasses Warning) .
Caution: Refer to Vehicle Lifting Caution (Service Precautions) .
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair) .
Caution: Refer to Exhaust Service Caution (Service Precautions) .
2. Support the exhaust system using a suitable jack.




Caution: Do not touch the exhaust system if the vehicle has been running. Failure to comply may result in personal injury.
3. Remove the rear insulator hanger to body retaining bolts (1).





Important: The left rear muffler to intermediate exhaust assembly retaining nuts (3) are single use parts. They must be discarded after removal.


4. Remove the left rear muffler to intermediate exhaust assembly retaining bolts (3).
5. Disconnect the left rear muffler (1) from the intermediate exhaust assembly (2).




6. Remove the left rear muffler (1) from the vehicle.



Installation Procedure


Important: The originally equipped exhaust extension pipe can be cut and reused when replacing a rear muffler. Only reuse if the extension pipe is in an acceptable condition.


1. Clean the threads of the rear exhaust assembly with a suitable cleaning solvent.




2. Install the left rear muffler (1) to the vehicle.




3. Connect the left rear muffler (1) to the intermediate exhaust assembly (2).

Notice: Refer to Fastener Notice (Fastener Notice) .

4. Install the left rear muffler to intermediate exhaust assembly retaining bolts (3).

Tighten the bolts to 45 N.m (33 lb ft).





5. Install the rear insulator hanger to body retaining bolts (1).

Tighten the bolts to 26 N.m (19 lb ft).

6. Make sure that the exhaust system is clear of all other components and chassis. If the exhaust system is not clear of all the other components loosen all retaining nuts and re-align. Refer to Exhaust System Alignment (LY7 and L98 Engines) (Service and Repair) .
7. Lower the vehicle to the ground.