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Home >> Dodge and Ram >> 2004 >> Caravan L4-2.4L VIN B >> Repair and Diagnosis >> Heating and Air Conditioning >> Refrigerant Pressure Sensor / Switch >> Service and Repair
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Refrigerant Pressure Sensor / Switch: Service and Repair

REMOVAL

NOTE: It is not necessary to discharge the refrigerant system to replace the A/C pressure transducer.

1. Disconnect and isolate the battery negative cable.

A/C Pressure Transducer - Typical:




2. Disconnect the wire harness connector from the A/C pressure transducer.
3. Remove the A/C pressure transducer from the fitting on the liquid line.
4. Remove the O-ring seal from the A/C pressure transducer fitting and discard.

INSTALLATION

NOTE: Replace the O-ring seal before installing the A/C pressure transducer.

1. Lubricate a new rubber O-ring seal with clean refrigerant oil and install it on the A/C pressure transducer fitting. Use only the specified O-rings as they are made of a special material for the R-134a system. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
2. Install and tighten the A/C pressure transducer onto the fitting onto the liquid line fitting.
3. Connect the wire harness connector to the A/C pressure transducer.
4. Reconnect the battery negative cable.
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