Removal Procedure

WARNING: This page is about a different variant/trim than selected.

NOTE: In order to prevent damage to the crankshaft position (CKP) sensor reluctor wheel/ring care must be used when removing or installing this component.

Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Remove the fuel line bracket nut.

Fig 1: View Of Fuel Pipe Bracket & Nut At Bellhousing
Courtesy of GENERAL MOTORS CORP.
Remove the fuel line bracket from the bellhousing stud.
Lower the vehicle.
Remove the driver side rear ignition coil bolts.
Reposition the ignition coil.
Disconnect the crankshaft position (CKP) sensor electrical connector (4).

Fig 2: View Of Engine Harness Grounds And CKP Sensor And Oil Pressure Sensor Electrical Connectors
Courtesy of GENERAL MOTORS CORP.
Use penetrating oil and allow the oil to soak around the CKP sensor prior to removing the sensor.
Remove the CKP sensor bolt.
Twist the CKP sensor back and forth.

Fig 3: View Of CKP Sensor & Bolt
Courtesy of GENERAL MOTORS CORP.
Pull the sensor straight up in order to remove the CKP sensor.
Inspect the CKP sensor for wear.

Fig 4: Checking CKP Sensor Wear
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: The CKP sensor is designed to contact the reluctor wheel of the crankshaft. Wear may be noticeable on the end of the sensor.
Normal CKP sensor wear will be shown on the wear strips (1) and no wear will be shown on the sensor sensing element (2).
Excessive or abnormal sensor wear will be shown on the sensing element (2).

Fig 5: Excessive Or Abnormal CKP Sensor Wear
Courtesy of GENERAL MOTORS CORP.
If excessive/abnormal wear is present, replace the sensor.