GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2001 🢒 Firebird 🢒 Engine 🢒 Engine Mechanical - 5.7L 🢒 Exhaust Manifold Removal - Left Side

Exhaust Manifold Removal - Left Side F Car


    Object Number: 346024 Size: SH
  1. Loosen the Air Injection Reaction (AIR) hose clamps and remove the hose assembly.

    2. Object Number: 346026 Size: SH

    Important: Do not remove the check valve from the AIR pipe unless service is required.

  2. Remove the AIR pipe, with check valve, bolts and gasket from the left exhaust manifold.
  3. Remove the spark plug wires from the spark plugs.

    4. Do not remove the spark plug wires from the ignition coils unless required.


    Object Number: 346021 Size: SH

    Important: Do not remove the oxygen sensor from the manifold unless service is required.

  4. Remove the oxygen sensor from the manifold, if required.

    5. Object Number: 492589 Size: SH
  5. Remove the exhaust manifold, bolts and gasket.
  6. Discard the gasket.

    7. Object Number: 492586 Size: SH
  7. Remove the heat shield (2) and bolts (3) from the manifold (1), if required.

Exhaust Manifold Removal - Left Side Y Car


    Object Number: 363583 Size: SH

    Important: Do not remove the check valve from the Air Injection Reaction (AIR) pipe unless service is required.

    Do not remove the oxygen sensor from the exhaust manifold unless service is required.

  1. Remove the AIR pipe, with check valve, bolts, and gasket from the left exhaust manifold.

    2. Object Number: 53269 Size: SH
  2. Remove the spark plug wires from the spark plugs.

    3. Do not remove the spark plug wires from the ignition coils unless required.

  3. Remove the oxygen sensor from the manifold.

    4. Object Number: 639834 Size: SH
  4. Remove the exhaust manifold, bolts, and gasket.
  5. Discard the gasket.
  6. Remove the heat shield and bolts, if required.