Avalanche 1500 2WD V8-5.3L (2008)
Exhaust Pipe/Muffler Hanger: Service and Repair
Exhaust Muffler Insulator, Hanger, and Bracket Replacement (1500 - w/RPOs LMG/LY2/LY5)
Exhaust Muffler Insulator, Hanger, and Bracket Replacement (1500 - w/RPOs LMG/LY2/LY5) (4.8L and 5.3L)
Removal Procedure
Caution: Refer to Exhaust Service Caution .
Caution: Refer to Protective Goggles and Glove Caution .
Important:
*
Service the exhaust system insulators individually in order to retain the support for the exhaust system.
*
Do not use oil base lubricants.
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Spray lubricant if necessary, onto the exhaust system insulator holes where the frame hanger and the exhaust hanger are inserted.
3. Remove the exhaust system insulator (1 or 3), as required.
4. If replacing the exhaust system insulator (2 or 4), remove the exhaust muffler assembly. Refer to Muffler Replacement (1500 - w/RPOs
LC9/LMG/LY5/L76) (See: Muffler/Service and Repair)Muffler Replacement (1500 - w/RPOs LMG/LY2/LY5) (See: Muffler/Service and Repair
)Muffler Replacement (1500 - w/RPO L92) Muffler Replacement (2500) (See: Muffler/Service and Repair)Muffler Replacement (LFA) .
5. Spray lubricant if necessary, onto the exhaust system insulator hole where the frame hanger is inserted.
6. Remove the exhaust system insulator (2 or 4) from the frame hanger, as required.
Installation Procedure
