Expansion Block/Orifice Tube: Service and Repair
EXPANSION (ORIFICE) TUBE REPLACEMENTTOOLS REQUIRED
^ J 26549-E Orifice Tube Remover
^ J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
1. Recover the refrigerant.
2. Remove the refrigerant line screw and the clip.
3. Disconnect the evaporator inlet pipe connection.
4. Use a J 26549-E to remove the expansion tube.
INSTALLATION PROCEDURE
1. Use clean 525 viscosity refrigerant oil to coat the O-rings.
2. Install the expansion tube into the pipe with the short screen towards the evaporator.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Connect the expansion tube dual O-ring joint.
Tighten
Tighten the dual O-ring joint to 24 N.m (18 lb ft).
4. Install the refrigerant line screw and the clip.
5. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
6. Leak test the fittings of the component using the J 39400-A.