Removal Procedure

Remove the intake manifold. Refer to Intake Manifold Replacement .
Gently pry up the rubber covers.

Fig 1: View Of Rubber Covers
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Disconnect the knock sensor electrical connectors.

Fig 2: View Of Knock Sensors

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Remove the knock sensors.
Remove the engine valley cover bolts.
Remove the engine valley cover and gasket.

Fig 3: View Of Engine Valley Cover, Gasket & Bolts
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Discard the old gasket.

Fig 4: View Of Knock Sensor Oil Seals & Cover

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Remove the knock sensor oil seals (1) from the cover (2).
If required, clean and inspect the engine valley cover. Refer to Engine Valley Cover Cleaning and Inspection .