LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System (Service Information) >> Plumbing >> Standard Procedure >> Refrigerant System Service Equipment >> Manifold Gauge Set Connections

Manifold Gauge Set Connections

CAUTION: Do not use an R-12 manifold gauge set on an R-134a system. The refrigerants are not compatible and system damage will result.

RECOVERY/RECYCLING/EVACUATION/CHARGING HOSE  - The center manifold hose (Yellow, or White, with Black stripe) (3) is used to recover, evacuate, and charge the refrigerant system. When the low or high pressure valves on the manifold gauge set are opened the refrigerant in the system will escape through this hose.

HIGH PRESSURE GAUGE HOSE  - The high pressure hose (Red with Black stripe) (4) attaches to the high side service port. This service port is located on the A/C liquid line next to the left shock tower. On this model, an A/C pressure transducer is also installed on the liquid line. A/C high-side pressures can be read using a scan tool. Refer to DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing .

LOW PRESSURE GAUGE HOSE  - The low pressure hose (Blue with Black stripe) (5) attaches to the low side service port. This service port is located on the A/C suction line behind the left shock tower.