Avalanche 2500 2WD V8-8.1L VIN G (2002)
1. If reusing the old sensor, Inspect both O-rings for cuts, cracks, tears or damage, replace the O-rings as needed.
2. 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.
3. Install the CKP sensor.
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.
4. If reusing the old sensor, apply thread adhesive GM P/N U.S. 12345493, GM P/N Canada 10953488, or equivalent to the bolt threads.
NOTE: Refer to Fastener Notice in Service Precautions.
5. Install the CKP sensor bolt.
Tighten
Tighten the bolt to 12 N.m (106 lb in).
6. Connect the CKP sensor electrical connector.
7. Install the fuel line bracket and bolt.
8. Lower the vehicle.
9. Perform the CKP system variation learn procedure. See: Testing and Inspection
