Having problems with your 2003 Dodge Stratus ?

Have a 2003 stratus with intermittent A/C works great when on, where is the pressure sensor located?, that may be problem

Posted / edited by AnonymousUser on : 19-10-2020

Answers :

On this Chrysler product they have an A/C Transducer located on the\015\012high pressure hose. The switch has three wires. They also have a thermo sensor located\015\012at the evaporator case behind the glove compartment. These two\015\012things are the only ones thatA jump in the system is only removing protection the system has.\015\012 So it will damage your compressor or hoses. Find the\015\012compressor follow the high hose to the high pressure switch\015\012(transducer) it has three wires. Check under the dash by the\015\012glove box and you will see a round platick lid on the case with two\015\012wires that is your thermostat (thermo sensor).
\015\012\015\012\015\012 control the compressor.

The A/C clutch is controlled by the A/C cycling switch (19E561) and the\015\012A/C pressure cut-off switch, which are connected in series. The A/C\015\012cycling switch is mounted on the suction accumulator/drier (19C836),\015\012and the A/C pressure cut-off switch is mounted in the discharge line at\015\012the A/C condenser.
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\015\012The A/C cycling switch closes when the pressure on the low side of the\015\012system reaches approximately 276-324 kPa (40-47 psi). The A/C cycling\015\012switch opens when the pressure drops to approximately 163-175 kPa\015\012(23.5-25.5 psi), disengaging the A/C clutch. In ambient temperatures\015\012below -1° C (30° F), the A/C cycling switch will not allow\015\012compressor operation because of low system pressures.
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\015\012The A/C pressure cut-off switch is used to interrupt A/C clutch\015\012operation in the event of high system discharge pressures. The A/C\015\012pressure cut-off switch is a single-function switch that controls A/C\015\012clutch engagement. When compressor head pressures rise to approximately\015\0122896 kPa (420 psi), the contacts open, disengaging the A/C clutch. When\015\012the pressures drop to approximately 1724 kPa (250 psi), the contacts\015\012close to allow A/C clutch operation.
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\015\012This problem can be caused by low refrigerant charge. Check with a manifold gauge set and temperature pressure chart.
\015\012The cycling switch is replaceable and there is a Schrader valve on the\015\012accumulator port so you do not lose your system charge when replacing.\015\012It screws on/off. It is available at any auto parts store.\015\012It protects the compressor from low pressure which can be caused by a\015\012loss of refrigerant and subsequent lack of lubrication and prevents\015\012evaporator freeze up. Replace the switch. It is about $10. The high\015\012presure switch is about $25.
Repair Help & Product Troubleshooting for 2003 Dodge Stratus

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