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For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Monte Carlo 🢒 Engine 🢒 Engine Controls - 3.4L 🢒 Crankshaft Position Sensor Replacement

Crankshaft Position Sensor Replacement 7X

Removal Procedure

    Object Number: 15969 Size: SH
  1. Turn the steering wheel fully to the left.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the right front wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  4. Disconnect the crankshaft position (CKP) sensor electrical connector.
  5. Remove the CKP sensor bolt.
  6. Remove the CKP sensor.
  7. Inspect for wear, cracks, or leakage if the sensor is not being replaced.

Installation Procedure
  1. Lubricate the O-ring with clean engine oil before installation and replace the O-ring if necessary.

    2. Object Number: 15969 Size: SH
  2. Install the CKP sensor.

    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. Install the CKP sensor bolt.

    4. Tighten
    Tighten the bolt to 11 N·m (97 lb in).

  4. Connect the CKP sensor electrical connector.
  5. Install the right front wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  6. Lower the vehicle.
  7. Perform the CKP system variation learn procedure. Refer to Crankshaft Position System Variation Learn .

Crankshaft Position Sensor Replacement 24X

Removal Procedure

    Object Number: 14714 Size: SH
  1. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement in Engine Mechanical - 3.4L.
  2. Note the routing of the crankshaft position (CKP) sensor harness before removal.
  3. Remove the CKP sensor harness retaining clip bolt (4).
  4. Remove the CKP sensor harness retaining clip (3).
  5. Disconnect the CKP sensor.
  6. Remove the CKP sensor bolts (4).
  7. Remove the CKP sensor (1).

Installation Procedure

    Object Number: 14714 Size: SH
  1. Install the CKP sensor (1).

    2. 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.

  2. Install the CKP sensor bolts (4).

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

  3. Install the CKP sensor harness retaining clip (3).
  4. Install the CKP sensor harness retaining clip bolt (4).

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

  5. Connect the CKP sensor electrical connector.
  6. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement in Engine Mechanical - 3.4L.
  7. Perform the crankshaft variation learn procedure. Refer to Crankshaft Position System Variation Learn .