GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Remove the engine front cover. Refer to Engine Front Cover Removal in Engine Mechanical.

  3. Object Number: 213838  Size: SH
  4. Remove the CKP sensor reluctor ring (3) from the crankshaft (2).

Installation Procedure

Important: Inspect the crankshaft key for burrs or nicks. Replace the key if necessary.


    Object Number: 213838  Size: SH
  1. Install the CKP sensor reluctor ring (3) to the crankshaft (2).
  2. Install the engine front cover. Refer to Engine Front Cover Removal in Engine Mechanical.
  3. Connect the negative battery cable.