Crankshaft Position Sensor Replacement

Fig 1: Crankshaft Position Sensor

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Remove the starter. Refer to Starter Replacement (LS3) .
1	Crankshaft Position Sensor Fastener CAUTION: Refer to Fastener Caution . Tighten 25 N.m (18 lb ft)
2	Crankshaft Position Sensor Procedure Disconnect the crankshaft position sensor electrical connector. Perform the crankshaft position system variation learn after installing the crankshaft position sensor. Refer to Crankshaft Position Variation Learn .
3	Crankshaft Position Sensor Seal NOTE: If reinstalling the sensor, inspect the seal for damage and replace as needed.