XJ-12 (X300) V12-6.0L (1995)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
WARNING: Make sure that the engine is cold before loosening the coolant reservoir cap or working on the cooling system.
Fig. 1
Remove
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Open the hood and fit a wing cover.
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Open the trunk and remove the battery cover.
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Disconnect the battery ground lead.
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Carefully slacken coolant reservoir cap to relieve coolant pressure. Re-tighten coolant reservoir cap.
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Disconnect harness plug from the coolant temperature sensor.
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Undo and remove the temperature sensor and copper washer from the "B" bank reservoir housing.
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Clean the housing.
Refit
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Fitting a new temperature sensor is the reverse of the removal procedure.
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Always use a new copper washer.