Heating and Air Conditioning: Locations
The high pressure service port is located on the liquid line between the condenser and the evaporator, near the front of the engine compartment.The low pressure service port is located on the compressor manifold, directly over the suction port of the compressor.
The low pressure hose (Blue with Black stripe) attaches to the suction service port. This port is located on the compressor manifold, directly over the suction port of the compressor.