Express 1/2 Ton Van V6-4.3L VIN W (1999)
4. Remove the sensor from the timing cover.
5. Inspect the sensor O-ring for wear, cracks or leakage.
Replace if necessary. Lube the new O-ring with clean engine oil before installing.
INSTALLATION PROCEDURE
IMPORTANT: Make certain that the Crankshaft Position (CKP) sensor mounting surfaces are clean and free of burrs before installing the CKP
sensor.
When installing a crankshaft position (CKP) sensor make sure the sensor is fully seated and held stationary in the front cover before torquing the hold
down bolt into the front cover. A sensor which is not seated may result in erratic operation and lead to the setting of false codes.
1. Install the CKP sensor into the timing cover.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the CKP sensor hold down bolt.
Tighten
Tighten the hold down bolt to 8 N.m (71 lb in).
