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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 151 (Engine Exhaust System) >> Repair Instructions >> Exhaust Muffler Insulator, Hanger, and Bracket Replacement (2500) >> Removal Procedure

Removal Procedure

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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.
    Fig 1: View Of Exhaust System Insulators
    GM1709441Courtesy of GENERAL MOTORS CORP.
  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), as required.
  4. If replacing the exhaust system insulator (2), remove the exhaust muffler assembly. Refer to Muffler Replacement (1500 - w/RPO L92)  or Muffler Replacement (1500 - w/RPOs LC9/LMG/LY5/L76)  or Muffler Replacement (1500 - w/RPOs LMG/LY2/LY5)  or Muffler Replacement (2500) .
  5. Spray lubricant if necessary, onto the exhaust system insulator hole where the frame hanger is inserted.
  6. Remove the exhaust system insulator (2) from the frame hanger, as required.
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