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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1391 (Engine Exhaust System) >> Repair Instructions >> Exhaust Muffler Replacement (With LMM) >> Installation Procedure

Installation Procedure

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    Fig 1: View Of Exhaust Muffler & Gasket
    GM1875628Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW gasket onto the exhaust muffler studs.
  2. Install the exhaust muffler to the particulate filter.
  3. With the aid of an assistant, support the exhaust muffler.
    4. Fig 2: View Of Exhaust Insulators
    GM1875627Courtesy of GENERAL MOTORS CORP.
  4. Install the exhaust muffler hangers to the exhaust insulators (1).
    5. Fig 3: View Of Exhaust Particulate Filter Nuts
    GM1875440Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  5. Install the exhaust muffler to exhaust particulate filter nuts (1) and tighten to 45 N.m (33 lb ft).
    6. Fig 4: Identifying Rear Shock Absorbers Lower Bolts & Nuts
    GM665315Courtesy of GENERAL MOTORS CORP.
  6. Raise the rear axle using the adjustable jack stands, if necessary.
  7. Install the rear shock absorbers lower bolts and nuts, if necessary and tighten to 95 N.m (70 lb ft).
    8. Fig 5: View Of Vent Hose Swivel Clip & Rear Brake Crossover Pipe
    GM1875701Courtesy of GENERAL MOTORS CORP.
  8. Install the rear axle vent hose to the rear axle, if necessary.
  9. Connect the vent hose swivel clip to the rear brake crossover pipe, if necessary.
  10. Remove the adjustable jack stands from under the rear axle, if necessary.
  11. Install the spare tire, if necessary.
  12. Lower the vehicle.
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