GM Service Manual Online
For 1990-2009 cars only

Exhaust Manifold Heat Shield Replacement LAT, LE5

Removal Procedure


    Object Number: 1887322  Size: SH
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
  2. On the LAT engine, remove the air cleaner bracket nuts (1).
  3. Remove the air cleaner bracket.

  4. Object Number: 1631387  Size: SH
  5. Remove the exhaust manifold heat shield studs (2).
  6. Remove the exhaust manifold heat shield (1).

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1631387  Size: SH
  1. Install the exhaust manifold heat shield (1).
  2. Install the exhaust manifold heat shield studs (2).
  3. Tighten
    Tighten the studs to 22 N·m (16 lb ft).


    Object Number: 1887322  Size: SH
  4. On the LAT engine, install the air cleaner bracket.
  5. Install the air cleaner bracket nuts (1).
  6. Tighten
    Tighten the nuts to 20 N·m (15 lb ft).

  7. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.

Exhaust Manifold Heat Shield Replacement LAT or LE5

Removal Procedure


    Object Number: 1887322  Size: SH
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
  2. On the LAT engine, remove the air cleaner bracket nuts (1).
  3. Remove the air cleaner bracket.

  4. Object Number: 1631387  Size: SH
  5. Remove the exhaust manifold heat shield studs (2).
  6. Remove the exhaust manifold heat shield (1).

Installation Procedure


    Object Number: 1631387  Size: SH
  1. Install the exhaust manifold heat shield (1).
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the exhaust manifold heat shield studs (2) and tighten to 22 N·m (16 lb ft).

  4. Object Number: 1887322  Size: SH
  5. On the LAT engine, install the air cleaner bracket.
  6. Install the air cleaner bracket nuts (1) and tighten to 20 N·m (15 lb ft.
  7. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.