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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1247 (Engine Exhaust System) >> Repair Instructions >> Muffler Replacement (Dual) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to JACKING AND LIFTING in General Information.
    NOTE: To prevent internal damage to the flexible coupling of the catalytic converter assembly, the converter must be supported. The vertical movement at the rear of the catalytic converter assembly must not exceed 6 degrees up or down.
  2. Support the exhaust system.
  3. Remove the exhaust tail pipe.
    Fig 1: Removing Exhaust Tail Pipe
    G02080745Courtesy of GENERAL MOTORS CORP.

    Important:  The cut must be made as close to the muffler as possible to ensure adequate overlap for clamping.

  4. Cut the exhaust pipe (1) at the exhaust muffler in front of the weld (2).
    Fig 2: Cutting Exhaust Pipe At Exhaust Muffler In Front Of Weld
    G02080746Courtesy of GENERAL MOTORS CORP.
  5. Remove the exhaust muffler rear hanger insulators from the exhaust muffler.
  6. Remove the exhaust muffler.
    Fig 3: Removing Exhaust Muffler
    G02080747Courtesy of GENERAL MOTORS CORP.