Compressor Pressure Relief Valve Replacement HU6 Only

Special Tools

J 39400-A Halogen Leak Detector

1. Remove the engine cover. Refer to Engine Cover Replacement.
2. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging.
3. Clean the valve seat area on the rear head.



4. Remove the pressure relief valve (1).

Caution: Refer to Component Fastener Tightening Caution in the Preface section.

1. Lubricate the O-ring of the new pressure relief valve (1) using new 525 viscosity refrigerant oil.



2. Install the pressure relief valve (1).

Tighten
Tighten the pressure relief valve to 9 N·m (80 lb in).

3. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
4. Leak test the fitting(s) of the repaired or reinstalled component using the J 39400-A .
5. Install the engine cover. Refer to Engine Cover Replacement.