Chevrolet Workshop Service and Repair Manuals > Astro Van 2WD V6-4.3L VIN X (2002) > Powertrain Management | Ignition System | Crankshaft Position Sensor | Component Information | Service and Repair | CKP System Variation Learn Procedure

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Tighten the bolts to 33 N.m (24 lb ft).

8. Lower the Vehicle.
9. Perform the CKP System Variation Learn Procedure. See: Testing and Inspection/Programming and Relearning

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