GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 870193  Size: SH
  1. Record the preset radio stations.
  2. Turn the ignition OFF.
  3. Disconnect the negative battery cable.
  4. Caution: Ensure that the vehicle is properly supported and squarely positioned. To help avoid personal injury when a vehicle is on a hoist, provide additional support for the vehicle on the opposite end from which the components are being removed.

  5. Raise the vehicle.
  6. Disconnect the crankshaft position (CKP) sensor harness connector.
  7. Remove the attachment bolt and the CKP sensor.

Installation Procedure


    Object Number: 870193  Size: SH
  1. Lubricate the O-ring with clean engine oil.
  2. Install the CKP sensor in the engine 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.

  4. Install the CKP sensor attachment bolt.
  5. Tighten
    Tighten the crankshaft position sensor bolt to 9 N·m (80 lb in).

  6. Connect the CKP sensor harness connector. Push in the connector until a click is heard and pull back to confirm a positive engagement.
  7. Connect the negative battery cable.
  8. Reset the clock and the preset radio stations.