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Home >> Chevrolet >> 2004 >> Impala SS >> Repair and Diagnosis >> External Pages >> Different car >> Section 939 (Engine Exhaust System) >> Repair Instructions >> Exhaust Heat Shield Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Front Sub-Frame Mounting Bolts
    GM1580120Courtesy of GENERAL MOTORS CORP.
  1. If equipped with a 2.4L engine remove the exhaust manifold pipe. Refer to Catalytic Converter Replacement (LAT or LE5)  or Catalytic Converter Replacement (LE5 or LE9 With MH8)  or Exhaust Pipe Replacement (LE5 or LE9 With MH8)  or Exhaust Pipe Replacement (LY7) .
  2. If equipped with a 3.5L or 3.6L engine, remove the catalytic converters. Refer to Catalytic Converter Replacement - Left Side (LZ4)  or Catalytic Converter Replacement - Left Side (LY7)  and Catalytic Converter Replacement - Right Side (LZ4)  or Catalytic Converter Replacement - Right Side (LY7) .
  3. Separate the first two muffler insulators from the hangers and support the muffler pipe.
  4. Remove the left frame bolts (4).
  5. Remove the left frame reinforcement (3).
  6. Fig 2: Identifying Heat Shield & Nuts
    GM1787889Courtesy of GENERAL MOTORS CORP.
  7. Remove the heat shield nuts.
  8. Remove the heat shield.