LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1038 (Engine Exhaust System) >> Repair Instructions >> Muffler Replacement (2500/3500 Series w/6.0L) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Muffler Assembly Insulators
    GM1856703Courtesy of GENERAL MOTORS CORP.
  1. If the vehicle is a non HD, perform the following steps, otherwise proceed to step 5:
  2. Lubricate the 4 insulators where the muffler assembly hangers are inserted in order to ease installation.
  3. With the aid of an assistant, position and install the muffler assembly.
  4. Install the insulators (1-4) to the front, intermediate, and rear muffler assembly hangers.
  5. Fig 2: View Of Muffler Assembly Insulators
    GM1856702Courtesy of GENERAL MOTORS CORP.
  6. If the vehicle is a HD, perform the following steps:
  7. Lubricate the 3 insulators where the muffler assembly hangers are inserted in order to ease installation.
  8. With the aid of an assistant, position and install the muffler assembly.
  9. Install the insulators (1-3) to the front, intermediate, and rear muffler assembly hangers.
  10. Fig 3: View Of Catalytic Converter To Muffler Nuts
    GM1708979Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  11. Install the catalytic converter to exhaust muffler nuts.

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

  12. Fig 4: Rear Shock Absorber Bolts And Nuts (6.0L, 6.6L, and 8.1L Engines)
    GM665315Courtesy of GENERAL MOTORS CORP.
  13. Raise the rear axle using the adjustable jack stands, if necessary.
  14. Install the rear shock absorber lower bolts and nuts, if necessary.

    Tighten:  Tighten the bolts to 95 N.m (70 lb ft).

  15. Fig 5: Rear Axle Vent Hose (10.5 Inch Ring Gear)
    GM695038Courtesy of GENERAL MOTORS CORP.
  16. If equipped with a 10.5 inch ring gear, install the rear axle vent hose to the rear axle, if necessary.
  17. Connect the vent hose swivel clip to the rear brake crossover pipe, if necessary.
  18. Fig 6: Rear Axle Vent Hose (8.6 or 9.5 Inch Ring Gear)
    GM692548Courtesy of GENERAL MOTORS CORP.
  19. If equipped with a 8.6 or a 9.5 inch ring gear, install the rear axle vent hose to the rear axle, if necessary.
  20. Install the vent hose swivel clip to the rear brake crossover pipe, if necessary.
  21. Remove the adjustable jack stands from under the rear axle, if necessary.
  22. Install the spare tire, if necessary.
  23. Lower the vehicle.