GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2004 🢒 DeVille 🢒 Engine 🢒 Engine Controls - 4.6L 🢒 Crankshaft Position Sensor Replacement

Removal Procedure

    Object Number: 602305 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the oil filter adaptor. Refer to Oil Filter Adapter Replacement in Engine Mechanical 4.6L.
  3. Remove the crankshaft sensor electrical connector.
  4. Remove the crankshaft sensor retaining bolt.
  5. Remove the crankshaft sensor.

Installation Procedure

    Object Number: 602305 Size: SH

    Important: Inspect the crankshaft sensor O-ring for wear or damage. If a problem is found, replace the O-ring.

  1. Lubricate the crankshaft sensor O-ring with clean engine oil.

    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 crankshaft sensor and the retaining bolt.

    3. Tighten
    Tighten the retaining bolt between 10 N·m (89 lb in).

  3. Install the crankshaft sensor electrical connector.
  4. Install the oil filter adaptor. Refer to Oil Filter Adapter Replacement in Engine Mechanical.
  5. Install the Air Deflector. Refer to Front Air Deflector Replacement in Body Front End.
  6. Lower the vehicle.
  7. Operate the engine and inspect crankshaft sensor for engine oil leaks.
  8. Perform the Crankshaft Position System Variation Learn .