GM Service Manual Online
For 1990-2009 cars only

Exhaust Manifold Installation LDK

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2146390  Size: SH
  1. Install new exhaust manifold studs (1) and tighten to 15 N·m (11 lb ft).

  2. Object Number: 2146280  Size: SH
  3. Install the exhaust manifold gasket (2).
  4. Install the exhaust manifold (1) to the cylinder head.
  5. Install NEW exhaust manifold to cylinder head retaining nuts finger tight.

  6. Object Number: 1340643  Size: SH
  7. Tighten the NEW exhaust manifold to cylinder head retaining nuts in sequence.
  8. 5.1. Tighten the exhaust manifold nuts to 14 N·m (10 lb ft).
    5.2. Tighten the exhaust manifold nuts a second time to 14 N·m (10 lb ft).

    Object Number: 2146279  Size: SH
  9. Install the exhaust manifold heat shield (1).
  10. Install the exhaust manifold heat shield bolts and tighten to 25 N·m (18 lb ft).