GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Rainier 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, and 6.0L 🢒 Intake Manifold Removal

    Object Number: 1201537 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.

    2. Object Number: 1277093 Size: SH
  2. Remove the manifold absolute pressure (MAP) sensor (714), if required.
  3. Remove the engine coolant air bleed clamp and hose from the throttle body.

    4. Object Number: 1277094 Size: SH
  4. Remove the evaporative emission (EVAP) solenoid (708), bolt (710), and isolator (709), if required.

    5. Object Number: 825839 Size: SH
  5. Remove the intake manifold bolts.
  6. Remove the intake manifold with gaskets.

    7. Object Number: 1277097 Size: SH
  7. Separate the intake manifold-to-cylinder head gaskets (514) from the manifold.
  8. Discard the intake manifold gaskets.