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Home › Chevrolet › 2011 › Chevy Express G1500, Van Cargo, 4.3 X › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls And Fuel - 4.3L - Repair Instructions › Repair Instructions › Crankshaft Position Sensor Replacement › Installation Procedure

Installation Procedure

NOTE:

When installing the CKP sensor, make sure the sensor is fully seated before tightening the bolt. A poorly seated CKP sensor may perform erratically and may set false diagnostic trouble codes (DTCs).

    Fig 1: CKP Sensor & Bolt
    GM1877000Courtesy of GENERAL MOTORS CORP.
    NOTE:

    Do not reuse the original O-ring seal.

  1. If reinstalling the old CKP sensor, install a NEW O-ring seal onto the sensor.
  2. Lubricate the O-ring seal with clean engine oil.
    3. CAUTION:

    Refer to Fastener Caution .

  3. Install the CKP sensor and bolt to tighten to 10 N.m (89 lb in).
    4. Fig 2: Crankshaft Position (CKP) Sensor Wiring Harness Electrical Connector
    GM1950052Courtesy of GENERAL MOTORS CORP.
  4. Connect the engine wiring harness electrical connector (4) to the CKP sensor (3).
  5. Lower the vehicle.
  6. Perform the crankshaft position system variation learn procedure. Refer to Control Module References .
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