XJ-S V12-5.3L (1982)
Expansion Valve: Service and Repair
Early Type
RENEW - EARLY TYPE
-
Depressurise the air conditioning system.
-
Undo the pipe to the expansion valve union nuts and disconnect the pipes.
-
Fit plugs to the expansin valve and to the pipes.
-
Reposition the pipes to one side.
-
Displace the heat protective material from capilliary tube.
-
Undo the capilliary tube union nut and carefully displace the tube aside.
-
Remove and discard '0' rings.
-
Fit plugs to the unions.
-
Carefully displace the lower shield from the expansion valve location.
-
Remove the capilliary tube coil clamp screws and displace the clamp.
-
Undo the expansion valve union nut.
-
Displace and remove the expansion valve assembly.
-
Fit plugs to the valve and pipe.
-
Remove and discard the heat protective material from the valve.
-
Fitting a new valve is the reversal of the removal procedure.
-
Ensure new '0' rings to all unions connections are fitted.
-
Evacuate and recharge the system with R 12 refrigerant.