GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 TrailBlazer - 2WD 🢒 Engine 🢒 Engine Controls - 4.8L, 5.3L, and 6.0L 🢒 Manifold Absolute Pressure Sensor Replacement

Removal Procedure

    Object Number: 898326 Size: SH
  1. Disconnect the manifold absolute pressure (MAP) sensor electrical connector (3).

    2. Object Number: 825838 Size: SH
  2. Remove the MAP sensor (1) from the intake manifold.

Installation Procedure

Important: Lightly coat the MAP sensor seal with clean engine oil before installing the sensor.


    Object Number: 825838 Size: SH
  1. Install the MAP sensor (1). Push the MAP sensor down in order to engage the sensor into the retainer.

    2. Object Number: 898326 Size: SH
  2. Connect the MAP sensor electrical connector (3).