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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System & Fuel System - 3.6L - Introduction (2 Of 2)) >> Repair Instructions >> Knock Sensor Replacement - Bank 2 >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Left Knock Sensor And Electrical Connector
    GM945380Courtesy of GENERAL MOTORS CORP.
  1. Turn the ignition OFF.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Remove the catalytic converter. Refer to Catalytic Converter Replacement .
  4. Remove the left engine splash shield. Refer to Engine Splash Shield Replacement .
  5. Disconnect the intermediate steering shaft to the steering gear. Refer to Intermediate Steering Shaft Replacement .
  6. Position jack under rear of frame.
    7. Fig 2: View Of Bolts From Rear Frame Of Body
    GM1208437Courtesy of GENERAL MOTORS CORP.
  7. Remove the bolts which secure the rear frame to the body.
  8. Lower the frame to gain access to the crankshaft position sensor lower heat shield.
    9. Fig 3: Identifying Exhaust Manifold Lower Heat Shield Bolts
    GM1839760Courtesy of GENERAL MOTORS CORP.
  9. Remove the crankshaft position sensor lower heat shield bolts (1, 2) and position shield out of the way.
  10. Remove the knock sensor (KS) electrical connector.
    11. Fig 4: View Of Left Knock Sensor
    GM860802Courtesy of GENERAL MOTORS CORP.
  11. Remove the KS bolt.
  12. Remove the KS.
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