Installation Procedure

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

If reusing the old sensor, inspect both O-rings for cuts, cracks, tears or damage, replace the O-rings as needed.
Lubricate the CKP sensor O-rings with clean engine oil.
IMPORTANT: Ensure that the CKP sensor is fully seated against the crankshaft reluctor ring. The upper flange on the sensor MAY NOT seat against the engine block.
Install the CKP sensor.

Fig 1: View Of CKP Sensor & Bolt
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: The CKP sensor bolt has adhesive applied to the threads. The adhesive may have come off during removal of the bolt. Ensure that the bolt hole is clean of any debris before installing the reinstalling bolt.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.

If reusing the old sensor, apply thread adhesive GM P/N 12345493 (Canadian P/N 10953488) or equivalent to the threads.
Install the CKP sensor bolt.
Tighten: Tighten the bolt to 12 N.m (106 lb in).
Connect the 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.
Position the ignition coil to the rocker cover.
Install the driver side rear ignition coil bolts.
Tighten: Tighten the bolts to 12 N.m (106 lb in).
Raise the vehicle
Install the fuel line bracket to the bellhousing stud.

Fig 3: View Of Fuel Pipe Bracket & Nut At Bellhousing
Courtesy of GENERAL MOTORS CORP.
Install the fuel line bracket nut.
Tighten: Tighten the nut to 10 N.m (89 lb in).
Lower the vehicle.
Perform the CKP system variation learn procedure. Refer to CKP System Variation Learn Procedure .