Expansion Block/Orifice Tube: Service and Repair

Air Conditioning Evaporator Thermal Expansion Valve Replacement

Special Tools

GE-39400-A - Halogen Leak Detector

For equivalent regional tools, refer to Special Tools Tools and Equipment.

Removal Procedure

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.

2. Unclip brake pipes.





3. Loose the air conditioning evaporator hose (1) from A/C evaporator TXV.

4. Remove the 2 A/C TXV bolts (2).

5. Remove the TXV (3).

Installation Procedure





Caution:
Refer to Fastener Caution Fastener Caution.

1. Install A/C TXV (3) and the 2 A/C TXV bolts (2) and tighten to 15 Nm (11 lb ft).

Note:
Use NEW O-ring seals. Refer to Air Conditioning O-Ring Seal Replacement Service and Repair.

2. Install air conditioning evaporator hose (1) to A/C evaporator TXV (3). Refer to Air Conditioning Evaporator Hose Assembly Replacement Air Conditioning Evaporator Hose Assembly Replacement.

3. Install brake pipes.

4. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.

5. Leak test the fittings using the GE-39400-A - detector.