GM Service Manual Online
For 1990-2009 cars only

Exhaust Manifold Installation Euro III

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1202724  Size: SH
  1. Install the exhaust manifold to the pup-up catalytic converter and tighten to 25-35 N·m (18-25 lb ft).

  2. Object Number: 1202134  Size: SH
  3. Install the exhaust manifold to the cylinder head and tighten the bolts and nuts to 17-27 N·m (13-20 lb ft).

  4. Object Number: 1202113  Size: SH
  5. Install the exhaust pipe to the pup-up catalytic converter and tighten the nuts to 25-35 N·m (18-25 lb ft).

  6. Object Number: 1202092  Size: SH
  7. Install exhaust manifold heat shield and tighten the bolts to 8-12 N·m (18-25 lb ft).
  8. Connect the ignition wires and oxygen sensor connector.
  9. Install the air filter, resonator, and snorkel assembly. Refer to Air Cleaner Assembly Replacement.

Exhaust Manifold Installation Typical

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1230397  Size: SH
  1. Install the 7 exhaust manifold nuts and bolts and torque in the sequence shown. Tighten the exhaust manifold nuts and bolts to 17-27 N·m (13-20 lb ft) and the exhaust manifold heat shield to 8-12 N·m (71-106 lb in).

  2. Object Number: 1224179  Size: SH
  3. Install the front exhaust manifold pipe nuts and tighten to 25-35 N·m (18-25 lb ft).