Cayenne S (9PA) V8-4.5L (2003)
3. Unclip brake booster line to keep it out of the way.
4. Undo the two fastening screws 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.
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Wet the O-rings of the refrigerant lines with refrigerant oil.
1. Carefully push expansion valve onto refrigerant lines from evaporator - do not tilt.
2. Insert the two fastening screws and tighten. Refer to tightening torques.
3. Clip line from brake booster into the holder.