GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Chevy C Silverado - 2WD 🢒 Engine 🢒 Engine Cooling 🢒 Exhaust Manifold Removal

Exhaust Manifold Removal Left Side


    Object Number: 260102 Size: SH

    Important: In order to properly remove the exhaust manifold, remove the AIR components when applicable.

  1. Remove the Air Injection Reaction (AIR) center pipe bolt.

    2. Object Number: 260106 Size: SH
  2. Loosen the hose clamps and remove the hose assembly.

    3. Object Number: 260103 Size: SH

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

  3. Remove the AIR pipe (with check valve), nuts and gasket from the left exhaust manifold.
  4. Remove the AIR pipe studs from the manifold (if required).
  5. Remove the spark plug wires from the spark plugs.

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


    Object Number: 260074 Size: SH
  6. Remove the exhaust manifold, bolts, and gasket.
  7. Discard the gasket.

    8. Object Number: 492766 Size: SH
  8. Remove the heat shield (2) and bolts (3) from the manifold (1) (if required).

Exhaust Manifold Removal Right Side


    Object Number: 260097 Size: SH

    Important: Do not remove the Exhaust Gas Recirculation (EGR) valve from the pipe assembly unless service is required.

  1. Remove the EGR valve, gasket, and bolts.

    2. Object Number: 492762 Size: SH
  2. Remove the EGR pipe bolt (1) from the intake manifold.

    3. Object Number: 492764 Size: SH
  3. Remove the EGR pipe bolts (1) and gasket from the exhaust manifold.

    4. Object Number: 260095 Size: SH
  4. Remove the EGR pipe bolts (3) from the cylinder head.
  5. Remove the EGR pipe assembly.

    6. With mild force, pull the EGR pipe from the intake manifold.

  6. Remove the O-ring seal (1) from the EGR pipe assembly (2).
  7. Discard the exhaust manifold gasket (4) and O-ring seal.

    8. Object Number: 260104 Size: SH

    Important: In order to properly remove the exhaust manifold, remove the AIR components when applicable.

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

  8. Remove the AIR pipe (with check valve), nuts and gasket from the right exhaust manifold.
  9. Remove the AIR pipe studs from the manifold (if required).

    10. Object Number: 260093 Size: SH
  10. Remove the spark plug wires from the spark plugs.

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

  11. Remove the exhaust manifold, bolts, and gasket.
  12. Discard the gasket.

    13. Object Number: 492768 Size: SH
  13. Remove the heat shield (2) and bolts (3) from the manifold (1) (if required).