GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Avalanche - 4WD 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Intake Manifold Removal

Intake Manifold Removal RPO LY2/LY6/L9H


    Object Number: 1658148 Size: SH

    Important: 

       • The intake manifold, throttle body, fuel injection rail, and fuel injectors may be removed as an assembly. If not servicing the individual components, remove the manifold as a complete assembly.
       • DO NOT use the intake manifold-to-cylinder head gaskets again.

  1. Remove the positive crankcase ventilation (PCV) hose - dirty air (716).

    2. Object Number: 1401987 Size: SH
  2. Remove the manifold absolute pressure (MAP) sensor (714) and retainer (736), as required.
  3. Remove the O-ring (715) from the sensor, as required.

    4. Object Number: 1403311 Size: SH
  4. Remove the intake manifold bolts (512).
  5. Remove the intake manifold (500) with gaskets.

    6. Object Number: 1277097 Size: SH
  6. Remove the intake manifold gaskets (514).
  7. Discard the intake manifold gaskets.

Intake Manifold Removal RPO LC9/LY5/LMG/L76


    Object Number: 1658148 Size: SH

    Important: 

       • The intake manifold, throttle body, fuel injection rail, and fuel injectors may be removed as an assembly. If not servicing the individual components, remove the manifold as a complete assembly.
       • DO NOT use the intake manifold-to-cylinder head gaskets again.

  1. Remove the positive crankcase ventilation (PCV) hose - dirty air (716).

    2. Object Number: 1401987 Size: SH
  2. Remove the manifold absolute pressure (MAP) sensor (714) and retainer (736), as required.
  3. Remove the O-ring (715) from the sensor, as required.

    4. Object Number: 1401989 Size: SH
  4. Remove the intake manifold bolts (512).
  5. Remove the intake manifold (500) with gaskets.

    6. Object Number: 1277097 Size: SH
  6. Remove the intake manifold gaskets (514).
  7. Discard the intake manifold gaskets.