XJ-S Convertible (XJ27) V12-6.0L (1994)
Expansion Valve: Service and Repair
RENEW
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Depressurise the air conditioning system.
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Undo the pipe to the expansion valve union nuts and disconnect the pipes.
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Fit blanking plugs to the expansion valve and to the pipes.
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Reposition the pipes to one side.
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Displace the heat protective material from capillary tube.
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Undo the capillary tube union nut and carefully displace the tube aside.
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Remove and discard '0' rings.
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Fit plugs to the unions.
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Carefully displace the lower shield from the expansion valve location.
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Remove the capillary tube coil clamp screws and displace the clamp.
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Undo the expansion valve union nut.
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Displace and remove the expansion valve assembly.
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Fit plugs to the valve and pipe.
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Remove and discard the heat protective material from the valve.
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Fitting a new valve is the reversal of the removal procedure.
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Ensure new '0' rings to all unions connections are fitted.
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Evacuate the system.
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Recharge the system.