GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Corvette 🢒 Engine 🢒 Engine Mechanical - 5.7L 🢒 Exhaust Manifold Removal

Exhaust Manifold Removal Left Side


    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: 363586 Size: SH
  4. Remove the exhaust manifold, bolts, and gasket.
  5. Discard the gasket.

Exhaust Manifold Removal Right Side


    Object Number: 63229 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 bracket bolt from the rear of the left cylinder head.

    2. Object Number: 363591 Size: SH
  2. Remove the AIR pipe (with check valve), bolts, and gasket from the right exhaust manifold.

    3. Object Number: 363589 Size: SH
  3. Remove the spark plug wires from the spark plugs.

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

  4. Remove the oxygen sensor from the manifold.
  5. Remove the exhaust manifold, bolts, and gasket.
  6. Discard the gasket.