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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1054 (Engine Exhaust System) >> Repair Instructions >> Muffler Replacement (4.3L, 4.8L, and 5.3L Engines) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and suitably support the vehicle. Refer toLifting and Jacking the Vehicle in General Information.
  2. Remove the exhaust muffler nuts.
    Fig 1: Exhaust Muffler Nuts (4.3L, 4.8L, and 5.3L Engines)
    GM664840Courtesy of GENERAL MOTORS CORP.
    3. Fig 2: Exhaust Muffler (4.3L, 4.8L, and 5.3L Engines)
    GM858600Courtesy of GENERAL MOTORS CORP.
  3. Apply lubricant to the exhaust insulators in order to aid in removal.
  4. Remove the muffler brackets from the insulators.
  5. Remove the exhaust muffler.
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