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Removal Procedure

Fig 1: Engine Oil Pressure Sensor, Knock Sensor & CKP Sensor Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

Disconnect the knock sensor (KS) electrical connector (1).
Remove the KS electrical connector clip from the oil level indicator tube bracket.
Remove the oil level indicator tube. Refer to Oil Level Indicator Tube Replacement (LE5) .

Fig 2: Knock Sensor & Bolt

Courtesy of GENERAL MOTORS CORP.

Remove the KS bolt.
Remove the KS.