Cayenne S (9PA) V8-4.5L (2003)
Expansion Valve: Service and Repair
Removing and Installing Expansion Valve For Auxiliary Air Conditioner
Removing and Installing Expansion Valve for Auxiliary Air-Conditioning Unit
Removing Expansion Valve
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Remove refrigerant by suction.
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Observe safety regulations when working with refrigerant. Refer to, Safety regulations for working on air-conditioned vehicles and dealing with
refrigerant R134a.
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Remove the side lining at rear.
1. Undo two fastening screws -1- for refrigerant lines on expansion valve.
2. Pull out the refrigerant lines from the expansion valve and close with plugs.
3. Undo the two fastening screws for the expansion valve -2- and remove expansion valve
Installing Expansion Valve
NOTE:
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Before the expansion valve is re-installed, the O-rings of the refrigerant lines must be checked for damage and replaced if necessary.