GM Service Manual Online
For 1990-2009 cars only

Intake Manifold Removal 7.0L


    Object Number: 1408858  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.

  1. Remove the manifold absolute pressure (MAP) sensor (714).
  2. Remove the seal (715) from the sensor, as required.

  3. Object Number: 1408859  Size: SH
  4. Remove the evaporative (EVAP) emission clip (740), bolt (742), bracket (741), canister purge solenoid valve (730), and tubes (729, 735).

  5. Object Number: 1552532  Size: SH
  6. Remove the intake manifold bolts (512) and fuel rail stop brackets (712).
  7. Remove the intake manifold (500).

  8. Object Number: 1552471  Size: SH
  9. Remove the intake manifold gaskets (514).
  10. Discard the intake manifold gaskets.

Intake Manifold Removal 6.2L


    Object Number: 1876003  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.

  1. Remove the manifold absolute pressure (MAP) sensor bolt (713).
  2. Remove the MAP sensor (714).
  3. Remove the seal (715) from the sensor, as required.

  4. Object Number: 1876004  Size: SH
  5. Remove the evaporative emission (EVAP) clip (740), bolt (742), bracket (741), canister purge solenoid valve (730), and tubes (729 and 735).

  6. Object Number: 1876005  Size: SH
  7. Remove the positive crankcase ventilation (PCV) hose - dirty air (716).

  8. Object Number: 1876006  Size: SH
  9. Remove the intake manifold bolts (512) and fuel rail stop brackets (712).
  10. Remove the intake manifold (500).

  11. Object Number: 1876007  Size: SH
  12. Remove the intake manifold gaskets (514).
  13. Discard the intake manifold gaskets.