Aerostar AWD V6-183 3.0L (1991)
Expansion Block/Orifice Tube: Service and Repair
NOTE: This Procedure Applies to Front and Rear Expansion Tubes
Fig. 2 Spring lock coupling disconnect & connect
Removal
1. Discharge refrigerant from system.
2. Disconnect and cap liquid line from evaporator core inlet tube.
3. Pour a small amount of refrigerant oil into inlet tube to lubricate orifice tube O-rings and inlet tube.