GM Service Manual Online
For 1990-2009 cars only

    Object Number: 953937  Size: SH
  1. Install a new exhaust manifold gasket.

  2. Object Number: 1876714  Size: SH
  3. Install the exhaust manifold.
  4. Add threadlock GM P/N 12345493 (Canadian P/N 10953488) to the exhaust manifold bolt threads.
  5. Install the exhaust manifold bolts.
  6. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1876728  Size: SH
  7. Tighten the exhaust manifold bolts in sequence and tighten to 20 N·m (15 lb ft). Repeat bolt tightening in sequence 2 additional passes.

  8. Object Number: 1876713  Size: SH
  9. Install the exhaust manifold heat shield studs, if required. Tighten the exhaust manifold heat shield studs to 10 N·m (89 lb in).

  10. Object Number: 1876712  Size: SH
  11. Install the exhaust manifold heat shield.
  12. Add anti-seize GM P/N 12371386 (Canadian P/N 993128) to the exhaust manifold heat shield nuts.
  13. Install the exhaust manifold heat shield nuts and tighten to 10 N·m (89 lb in).