Service Port HVAC: Description and Operation

A/C Service Ports - Typical:

The A/C service port valve cores are serviceable items On 2.0L LHD models, the low side valve is located on the liquid line between the A/C condenser and the evaporator and, the high side valve is located on the discharge line fitting at the A/C condenser On 2 4L and RHD models, the low side valve is located on the suction line near the receiver/drier and, the high side valve is located on the liquid line fitting at the receiver/drier outlet port.