GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Savana 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, and 6.0L 🢒 Intake Manifold Removal

    Object Number: 260078 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 (1) and valve (2).

    2. Object Number: 876310 Size: SH
  2. Remove the manifold absolute pressure (MAP) sensor (1), if required.
  3. Remove the engine coolant air bleed clamp and hose from the throttle body.

    4. Object Number: 492765 Size: SH
  4. Remove the accelerator control cable bracket  (2) and bolts (1), if required.

    5. Object Number: 389993 Size: SH
  5. Remove the evaporative emission (EVAP) solenoid (3), bolt (2), and isolator (1).

    6. Object Number: 876314 Size: SH
  6. Remove the intake manifold bolts.
  7. Remove the intake manifold with gaskets.

    8. Object Number: 492770 Size: SH
  8. Separate the intake manifold-to-cylinder head gaskets (1) from the manifold.
  9. Discard the intake manifold gaskets.