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Home >> Buick >> 2009 >> Allure Super >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 5.3L - Introduction >> Repair Instructions >> Crankshaft Position Sensor Replacement >> Removal Procedure
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Removal Procedure

WARNING: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.
    Fig 1: Crankshaft Position (CKP) Sensor Electrical Connector
    GM1554552Courtesy of GENERAL MOTORS CORP.
  1. Remove the right exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side (LS4) .
  2. Disconnect the crankshaft position (CKP) sensor electrical connector (1).
  3. Fig 2: View Of CKP Sensor & Bolt
    GM55322Courtesy of GENERAL MOTORS CORP.
    NOTE: Clean the area around the CKP before removal in order to avoid debris from entering the engine.
  4. Remove the CKP sensor bolt.
  5. Remove the CKP sensor.