GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Controls and Fuel - 6.6L 🢒 Manifold Absolute Pressure Sensor Replacement

Removal Procedure

    Object Number: 1864640 Size: SH
  1. Disconnect the engine wiring harness electrical connector (3) from the manifold absolute pressure (MAP) sensor.

    2. Object Number: 1864645 Size: SH
  2. Remove the MAP sensor bolt.
  3. Remove the MAP sensor bracket and sensor.

Installation Procedure

    Object Number: 1864645 Size: SH
  1. Install the MAP sensor and bracket.

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

  2. Install the MAP sensor bolt.

    3. Tighten
    Tighten the screw to 10 N·m (89 lb in).


    Object Number: 1864640 Size: SH
  3. Connect the engine wiring harness electrical connector (3) to the MAP sensor.