GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Tracker - 4WD 🢒 Engine 🢒 Engine Controls - 2.5L (LE8) 🢒 Crankshaft Position Sensor Replacement

Removal Procedure
  1. Disconnect the electrical connector from the crankshaft position (CKP) sensor .

    2. Object Number: 711807 Size: SH
  2. Remove the bolt (1) and the sensor wire harness clip from the engine.
  3. Remove the bolt (3) securing the CKP sensor to the front engine cover.

    4. Object Number: 711797 Size: SH
  4. Remove the CKP sensor (3) with wire harness from the engine.
  5. Inspect the CKP sensor signal rotor for damaged or missing teeth through the CKP sensor opening.

Installation Procedure
  1. Lubricate the CKP sensor O-ring with clean engine oil.

    2. Object Number: 711797 Size: SH
  2. Install the CKP sensor (3) to the front engine cover.

    3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Secure the CKP sensor to the front engine cover with the bolt (2).

    4. Tighten
    Tighten the bolt to 10 N·m (89 lb in).


    Object Number: 711807 Size: SH
  4. Secure the sensor wire harness to the engine block with the clip and the bolt (1).

    5. Tighten
    Tighten the bolt to 10 N·m (89 lb in).

  5. Connect the CKP sensor electrical connector.