Auxiliary Air Conditioning System

Removing And Installing Expansion Valve For Auxiliary Air Conditioner

Preliminary work

Remove rear side trim panel.

Removing expansion valve







ATTENTION: Danger of injury from contact with the refrigerant

- Observe safety regulations when working with refrigerant.

1. Remove refrigerant by suction.







2. Undo the two fastening screws -1- for the expansion valve refrigerant lines.
3. Pull out refrigerant lines from expansion valve and close with plugs.







4. Undo the two fastening screws for the expansion valve -2- and remove expansion valve.

Installing expansion valve

NOTE:
- Before the expansion valve is re-installed, the O-rings of the refrigerant lines must be checked for damage and replaced if necessary.
- 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 -2- and tighten. Tightening torque 6.5 ftlb.







3. Carefully push refrigerant lines onto expansion valve (do not tilt) and tighten with the two fastening screws -1-. Tightening torque 7.5 ftlb.

Subsequent work

1. Install rear side trim panel.
2. Fill in refrigerant.