Left Side Knock Sensor

Remove the mixing chamber. Refer to MANIFOLD, INTAKE, REMOVAL .

Fig 1: Accessory Drive Belt Tensioner & Bolts
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Remove the serpentine belt.
Install the accessory drive belt tensioner.
- Tighten bolts (1) to 20 N.m (177 in. lbs.).
- Tighten bolt (3) to 45 N.m (33 ft. lbs.).
Fig 2: Intake Manifold Support Bracket & Bolts
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Remove bolts (1) and the intake manifold support bracket (2).

Fig 3: Locating Lock Tabs And Lifting Up On Wire Harness
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Release the lock tabs (1) and lift up on the wire harness.

Fig 4: Wire Harness Support Bracket & Bolts
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Remove bolt (1) and wire harness support bracket (2).

Fig 5: Identifying Coolant Temp Sensor & Cooling Manifold Bolts
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Disconnect the coolant temp sensor (1) harness connector.
Remove the three cooling manifold bolts (2).

Fig 6: Piston Cooling Oil Control Valve Harness Connector
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Disconnect the oil jet control valve (1) harness connector.

Fig 7: Water Pump Valve
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Disconnect the coolant pump actuator vacuum line (1).

Fig 8: Identifying Thermostat Heater Connector & Upper Thermostat Housing Bolt
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Disconnect the coolant temperature sensor (1) harness connector.
Remove the two bolt (2) from thermostat housing.

Fig 9: Identifying Bolts From Cooling Manifold
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Remove the bolts (1) from the cooling manifold.

Fig 10: Identifying Coolant Hose
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Disconnect the coolant hose (1) to the oil cooler and remove cooling manifold.

Fig 11: Identifying Right Knock Sensor & Bolt
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Remove bolt (1) and the left knock sensor (2).