GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Mechanical - 8.1L 🢒 Intake Manifold Assemble

    Object Number: 471015 Size: SH
  1. Apply a very light film of clean engine oil to the evaporative emission (EVAP) canister purge solenoid valve O-ring seal.
  2. Install the EVAP valve.
  3. Apply thread sealer GM P/N 12345493, (Canadian P/N 10953488), or equivalent, to the threads of the EVAP valve bolt.

    4. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the EVAP valve bolt.

    5. Tighten
    Tighten the EVAP valve bolt to 8 N·m (71 lb in).


    Object Number: 471013 Size: SH
  5. Install the EVAP tube.

    6. Object Number: 471023 Size: SH

    Important: Lubricate the port of the manifold absolute pressure (MAP) sensor with clean engine oil. Avoid dipping the sensor port directly into the lubricant or using a solid type of lubricant, as they may block the vacuum port signal.

  6. Install the MAP sensor.
  7. Install the MAP sensor bolt.

    8. Tighten
    Tighten the MAP sensor bolt to 12 N·m (106 lb in).


    Object Number: 1310037 Size: SH
  8. Install the throttle body gasket (501).
  9. Install the throttle body (502).
  10. Install the throttle body nuts (503).

    11. Tighten
    Tighten the throttle body nuts to 10 N·m (89 lb in).


    Object Number: 1310056 Size: SH
  11. Install the vacuum plug (513).