Removal Procedure

WARNING: 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.

NOTE: Perform the Crankshaft Position System Variation Learn when the CKP sensor is removed or replaced.

Fig 1: View Of Starter

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Disconnect the negative battery cable.
Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the starter. Refer to Starter Replacement (V6) or Starter Replacement (4.8L/5.3L/6.0L) or Starter Replacement (6.6L) .

Fig 2: Identifying Crankshaft Position (CKP) Sensor/Connector

Courtesy of GENERAL MOTORS CORP.

Disconnect the crankshaft position (CKP) sensor electrical connector.
Fig 3: View Of CKP Sensor & Bolt
Courtesy of GENERAL MOTORS CORP.

Clean the area around the CKP sensor before removal in order to avoid debris from entering the engine.
Remove the CKP sensor retaining fastener.
Remove the CKP sensor.