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Home >> Buick >> 2005 >> LeSabre Custom, 4T65E/MN3 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Repair Instructions >> Crankshaft Position (CKP) Sensor Replacement >> Removal Procedure
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Removal Procedure

  1. Disconnect the negative battery cable.
  2. Raise the vehicle on a hoist. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the right splash shield cover. Refer to Wheelhouse Liner Replacement - Front in Body Front End.
  4. Remove the crankshaft harmonic balancer. Refer to Crankshaft Balancer Replacement in Engine Mechanical-3.8L.
  5. Fig 1: Removing/Installing CKP Sensor Shield
    GM12302Courtesy of GENERAL MOTORS CORP.
  6. Remove the crankshaft position sensor (CKP) shield (1). DO NOT use a pry bar.
  7. Disconnect the sensor electrical connector.
  8. Remove 2 attaching bolts from the CKP sensor.
  9. Fig 2: Removing/Installing CKP Sensor
    GM12303Courtesy of GENERAL MOTORS CORP.
  10. Remove the CKP sensor from the block face.