Removal & Installation (4.8L, 5.3L & 6.0L)

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NOTE: Crankshaft Position (CKP) sensor variation learn procedure will need to be performed whenever CKP sensor is removed or replaced.

Disconnect negative battery cable. Raise and support vehicle. Remove flywheel cover bolt. See Fig 1. Remove starter mounting bolts. Disconnect oil level sensor harness connector. Slide starter forward until starter clears transmission. Disconnect electrical connectors from starter solenoid. Remove starter.
Clean area around Crankshaft Position (CKP) sensor before removal to prevent debris from entering engine. Disconnect CKP sensor harness connector. Remove CKP sensor retaining bolt and CKP sensor.
To install, reverse removal procedure. Tighten fasteners to specification. See TORQUE SPECIFICATIONS . Perform CKP SYSTEM VARIATION LEARN PROCEDURE under PROGRAMMING.

Fig 1: Removing Flywheel Cover Bolt (4.8L, 5.3L & 6.0L)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Locating Crankshaft Position Sensor (4.8L, 5.3L & 6.0L)

Courtesy of GENERAL MOTORS CORP.