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Home >> Chevrolet >> 2004 >> Astro Van Cargo, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 4.3L - Introduction >> Repair Instructions >> Crankshaft Position (CKP) Sensor Replacement >> Installation Procedure
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Installation Procedure

IMPORTANT: When installing the CKP sensor, make sure the sensor is fully seated before tightening the mounting bolt. A poorly seated CKP sensor may perform erratically and may set false DTCs.
IMPORTANT: Do not reuse the original O-ring.
  1. Replace the CKP sensor O-ring.
  2. Lubricate the O-ring with clean engine oil before installing the CKP sensor.
    IMPORTANT: Make sure the CKP sensor mounting surface is clean and free of burrs.
  3. Install the CKP sensor.
    Fig 1: View Of CKP Sensor & Bolt
    GM11485Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  4. Install the CKP sensor mounting bolt.

    Tighten:  Tighten the CKP sensor mounting bolt to 9 N.m (80 lb in).

    Fig 2: View Of CKP Sensor Mounting Bolt
    GM10938Courtesy of GENERAL MOTORS CORP.
  5. Connect the CKP sensor harness connector.
    Fig 3: Identifying CKP Sensor Harness Connector
    GM10937Courtesy of GENERAL MOTORS CORP.
  6. Install the steering linkage shield.
  7. Fig 4: View Of Steering Linkage Shield
    GM325348Courtesy of GENERAL MOTORS CORP.
  8. Install the steering linkage shield mounting bolts.

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

    Fig 5: Identifying Steering Linkage Shield Mounting Bolts
    GM325346Courtesy of GENERAL MOTORS CORP.
  9. Lower the Vehicle.
  10. Perform the CKP System Variation Learn Procedure. Refer to CKP System Variation Learn Procedure .