850 L5-2.4L VIN 55 B5254S (1993)
Knock Sensor: Service and Repair
KNOCK SENSOR REPLACEMENT
Preparations
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Remove / Disconnect:
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Battery ground lead.
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Throttle pulley cover.
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Throttle cable.
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Spark plug cover.
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Crankcase ventilation from cylinder head.
Remove Fuel Rail and Injectors
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Remove:
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Fuel rail cover.
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Injector connectors.
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Vacuum hose to fuel pressure regulator.
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Fuel line clips (2) and fuel rail mounting screws (two).
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Mount clamps P/N 9995533 on injectors.
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Vacuum hose from pressure regulator.
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Injectors and fuel rail. Lift carefully and place in protected position on top of engine.
NOTE: Handle injectors carefully to avoid damage to nozzles and needles.
NOTE: Recover all rubber damping elements mounted on intake manifold.
Remove Engine Cooling Fan
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Remove / disconnect:
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Shroud mounting screws (four).
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Air hoses to control module box.
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Move aside shroud, lift relay shelf, open fan connectors and disconnect hoses to EGR controller at intake manifold and EGR valve.
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Shroud spacers.
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Control module box and Air Cleaner (ACL) intakes.
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Fan and shroud.