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Home › GMC › 2004 › Jimmy 4D Utility, AWD › Repair and Diagnosis › Engine Mechanical › Engine Exhaust System › Repair Instructions › Muffler Replacement (Utility 4.3L) › Removal Procedure

Removal Procedure

  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    2. Fig 1: View Of Muffler To Catalytic Converter
    GM535780Courtesy of GENERAL MOTORS CORP.
  2. Remove the catalytic converter to muffler flange nuts.
    3. Fig 2: View Of Insulator At Tail Pipe Hanger
    GM42968Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the insulator from the tail pipe hanger.
    4. Fig 3: View Of Insulators At Muffler Hanger
    GM42957Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the insulators from the muffler hanger (4-door utilities).
    5. Fig 4: View Of Insulator At Muffler & Tail Pipe Hanger
    GM42960Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the insulator from the muffler and tail pipe hanger.
  6. Remove the muffler from the vehicle.
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