Tools Required

J 39500-B A/C Refrigerant Recovery, Recycling and Recharging (ACR4) System

1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging .
2. Remove the A/C evaporator hose from the retaining clips.



3. Separate the A/C evaporator hose at the expansion tube location.



4. Remove the expansion tube from the line.

Tools Required

J 39400 Electronic Halogen Leak Detector

Important: Lubricate the new expansion tube O-ring with mineral base 525 viscosity refrigerant oil before installing into the evaporator hose.




1. Install the new expansion tube. Ensure that the short screen faces toward the evaporator.




Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

2. Assemble the A/C evaporator hose.

Tighten
Tighten the dual O-ring joint connections to 24 N·m (18 lb ft).




3. Install the A/C evaporator hose to the retaining clips.
4. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
5. Test the A/C system for leaks using the J 39400 . Refer to Leak Testing .