For 1990-2009 cars

### Removal Procedure

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
2. Using a back-up wrench to support service port base, use a second wrench to remove the valve assembly.

### Installation Procedure

1. Lubricate the valve assembly O-ring with mineral oil.
2. Thread the valve assembly into the service port base.

Tighten
Tighten the valve to 12 N·m (106 lb in).

Important: To prevent loss of refrigerant charge, make sure to install and tighten cap. Replace cap if seal is missing or damaged.

3. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
4. Using the J 39400-A leak test the fittings of the component.