Refrigerant Filter: Service and Repair

Air Conditioning (A/C) Refrigerant Filter Replacement

Tools Required

J 39400-A Halogen Leak Detector


Removal Procedure

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging).
2. Remove the surge tank from the surge tank bracket.
3. Remove the suction hose and liquid line nut from the thermal expansion valve (TXV).
4. Remove the suction hose and liquid line from the TXV.
5. Remove the line clip from the dash.








6. Remove the refrigerant filter from the line.

Important: Cap all A/C components immediately to prevent system contamination.


7. Remove and discard the sealing washers.



Installation Procedure

1. Uncap A/C components.
2. Install new sealing washers. Refer to Sealing Washer Replacement (Sealing Washer Replacement).




3. Install the refrigerant filter into the line.
4. Install the line clip to the dash.




5. Install the suction hose and liquid line to the TXV.

Notice: Refer to Fastener Notice (Fastener Notice).

6. Install the suction hose and liquid line nut to the TXV.

Tighten the nut to 20 N.m (15 lb ft).

7. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging).
8. Leak test the fittings using the J 39400-A.
9. Install the surge tank to the surge tank bracket.