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Home >> GMC >> 2002 >> C3500 HD 8.1 G, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 8.1L >> Repair Instructions >> Crankshaft Position (CKP) Sensor Replacement >> Installation Procedure
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Installation Procedure

Important:  Inspect the CKP sensor O-ring for wear or damage. If a problem is found, replace the O-ring. Lubricate the new O-ring with engine oil before installing.

  1. Install the CKP sensor at the same angle as you removed it.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the CKP sensor retaining bolt.

    Tighten 

    Tighten the bolt to 12 N.m (106 lb in).

  3. Connect the CKP sensor harness connector.
  4. Install the fuel line bracket and retaining bolt. Refer to Fuel Hose/Pipes Replacement - Filter to Engine .
  5. Lower the vehicle.
  6. Perform the CKP system variation learn procedure. Refer to CKP System Variation Learn Procedure .
    Fig 1: CKP Sensor Harness Connector
    G01599011Courtesy of GENERAL MOTORS CORP.