Expansion Block/Orifice Tube: Service and Repair

A/C Evaporator Tube And Accumulator Tube - 2.0L (VIN M):

REMOVE OR DISCONNECT
1. Discharge A/C system.
2. Loosen nut and separate liquid line from evaporator inlet pipe.
3. Carefully remove expansion tube with needle-nosed pliers, tools AC-1002, J-26549-D or equivalent.

NOTE: In the event that difficulty is encountered during the removal of a restricted or plugged expansion tube (orifice), the following procedure is recommended:
A. Remove as much of any impacted residue as possible.
B. Carefully apply heat with heat gun (hair drier, epoxy drier or equivalent) approximately 1/4 inch from dimples on inlet pipe. Do not overheat pipe.

CAUTION: If the system has a pressure switch near the expansion tube location, it should be removed prior to heating the pipe to avoid damage to switch.

C. While applying heat, use expansion tube removal tools AC-1002 or 26549-C to grip the expansion tube. Use a turning motion along with a push-pull motion to loosen and remove the impacted expansion tube.






INSTALL OR CONNECT
1. New expansion tube, with short screen toward the evaporator.
2. Reassemble liquid line to evaporator inlet pipe and torque nut to 24 Nm (17 lbs. ft.).
3. Evacuate and recharge A/C system with 1.02 kg (2.25 lbs.) of R-12.
4. Leak test.