Expansion Block/Orifice Tube: Service and Repair
EXPANSION (ORIFICE) TUBE REPLACEMENTREMOVAL PROCEDURE
TOOLS REQUIRED
^ J 39500 Air Conditioning Refrigerant Recovery, Recycling and Recharging (ACR4) System
^ J 26549-E Expansion Tube Remover
^ J 38042 Dual O-Ring Joint Separator
1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging.
2. Remove the A/C evaporator tube from the retaining clips.
3. Separate the A/C evaporator tube at the expansion tube location.
4. Use the J 26549-E in order to remove the expansion tube from the line.
INSTALLATION PROCEDURE
TOOLS REQUIRED
J 39400-A Electronic Halogen Leak Detector
1. Install the new expansion tube. Ensure that the short screen faces toward the evaporator.
NOTE: Refer to Fastener Notice in Cautions and Notices.
2. Assemble the A/C evaporator tube.
Tighten
Tighten the dual O-ring joint connections to 24 N.m (18 lb ft).
3. Install the A/C evaporator tube 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-A. Refer to Leak Testing.