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For 1990-2009 cars only
Makes 🢒 Buick 🢒 2001 🢒 Century 🢒 Engine 🢒 Engine Controls - 3.1L (LG8) 🢒 Crankshaft Position Sensor Replacement

Crankshaft Position Sensor Replacement 7x

Removal Procedure

    Object Number: 15969 Size: SH
  1. Turn OFF the ignition.
  2. Crank steering wheel fully to the left.
  3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Remove the right tire and wheel. Refer to Tire and Wheel Removal and Installation in Tire and Wheel.
  5. Disconnect the sensor electrical connector.
  6. Remove the attaching bolt/screw.
  7. Remove the sensor from engine.
  8. 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 if damaged.

    2. Object Number: 15969 Size: SH
  2. Install the sensor to the block.

    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 sensor attaching bolt.

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

  4. Connect the sensor electrical connector.
  5. Install the right tire and wheel. Refer to Tire and Wheel Removal and Installation in Tire and Wheel.
  6. Lower the vehicle.
  7. Perform the CKP System Variation Learn Procedure. Refer to Crankshaft Position System Variation Learn .

Crankshaft Position Sensor Replacement 24X CKP Sensor

Removal Procedure

    Object Number: 14714 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information
  2. Remove the lower air deflector.
  3. Disconnect the sensor electrical connector.
  4. Remove the sensor from the bracket.
  5. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement in Engine Mechanical-3.1L.
  6. Note the routing of the sensor harness before removal.
  7. Remove the harness retaining bolt (4) and the clip (3).
  8. Remove the CKP sensor bolts (4).
  9. Remove the CKP sensor (1).

Installation Procedure

    Object Number: 14714 Size: SH
  1. Install the 24X crankshaft position sensor (1) to the front cover.

    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 harness retaining clip (3) with bolt (4).

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

  4. Connect the CKP sensor electrical connector.
  5. Install the CKP sensor harness to the bracket.
  6. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement in Engine Mechanical.
  7. Install the lower air deflector.
  8. Lower the vehicle.
  9. Perform the crankshaft position (CKP) system variation learn procedure. Refer to Crankshaft Position System Variation Learn .