GM Service Manual Online
For 1990-2009 cars only

Exhaust Heat Shield Replacement LE5

Special Tools

J 45059 Angle Meter

Removal Procedure


    Object Number: 1580120  Size: SH
  1. If equipped with a 2.4L engine remove the exhaust manifold pipe. Refer to Catalytic Converter Replacement.
  2. If equipped with a 3.5L or 3.6L engine, remove the catalytic converters. Refer to Catalytic Converter Replacement - Left Side and Catalytic Converter Replacement - Right Side.
  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. Object Number: 1787889  Size: SH
  7. Remove the heat shield nuts.
  8. Remove the heat shield.

Installation Procedure


    Object Number: 1787889  Size: SH
  1. Position the heat shield to the underbody and the dash panel.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the heat shield nuts.
  4. Tighten
    Tighten the nuts to 10 N·m (89 lb in).


    Object Number: 1580120  Size: SH
  5. Install the left frame reinforcement (3).
  6. Install the left frame bolts (4).
  7. Tighten
    Tighten the bolts to 100 N·m (74 lb ft) plus an additional 90 degrees using the J 45059 .

  8. Raise the muffler pipe into position and install the first two muffler insulators onto the hangers.
  9. If equipped with a 3.5L or 3.6L engine, install the catalytic converters. Refer to Catalytic Converter Replacement - Left Side and Catalytic Converter Replacement - Right Side.
  10. If equipped with a 2.4L engine, install the exhaust manifold pipe. Refer to Catalytic Converter Replacement.