GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1838528  Size: SH
  1. Install a NEW left exhaust manifold gasket.

  2. Object Number: 1838524  Size: SH
  3. Install the left exhaust manifold.

  4. Object Number: 1838522  Size: SH
  5. Loosely install the left exhaust manifold upper bolts into the left cylinder head.
  6. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1838505  Size: SH
  7. Loosely install the left exhaust manifold lower bolts into the left cylinder head.
  8. Tighten the left exhaust manifold bolts to 25 N·m (18 lb ft).

  9. Object Number: 1838500  Size: SH
  10. Install the engine coolant temperature (ECT) sensor and tighten to 30 N·m (22 lb ft).

  11. Object Number: 1838495  Size: SH
  12. Place the left exhaust manifold heat shield in position.

  13. Object Number: 1838489  Size: SH
  14. Install the exhaust manifold heat shield bolts and tighten to 10 N·m (89 lb in).