GM Service Manual Online
For 1990-2009 cars only

Exhaust Manifold Lower Heat Shield Replacement LY7

Removal Procedure


    Object Number: 1839760  Size: SH
  1. Remove the catalytic converter. Refer to Catalytic Converter Replacement - Right Side.
  2. Remove the exhaust manifold lower heat shield bolts (1, 2).
  3. Remove the exhaust manifold lower heat shield.

Installation Procedure


    Object Number: 1839760  Size: SH
  1. Position the exhaust manifold lower heat shield to the engine.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the exhaust manifold lower heat shield bolts (1, 2).
  4. • Tighten the bolt (1) to 10 N·m (89 lb in).
    • Tighten the bolt (2) to 50 N·m (37 lb ft).
  5. Install the catalytic converter. Refer to Catalytic Converter Replacement - Right Side.