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Replace a Spare part AC Pressure Switch – a defective one or if the limit of use has been already reached. Find out useful information about AC Pressure Switch

Refrigerant pressure sensor captures data of refrigerant pressure in the system and turns off the air-conditioner compressor if critical values are reached.

2 tips on refrigerant pressure sensor operation

  1. A manufacturer doesn’t specify exact lifetime of the component. That is why, you need to perform diagnostics at a service station if any changes occur in automotive air-conditioner operation. Operation of the air-conditioner with broken pressure sensor leads to failures of the whole system.
  2. Replace the seal and treat it with oil for air-conditioners when installing a new sensor.

Defects of refrigerant pressure sensor, their causes and signs

  1. Contacts oxidation. Mostly, the cause is contact of refrigerant pressure sensor with water. In this case, the air-conditioning system may operate unstably. Its random turning on and off may occur.
  2. Breakdown of valve or sealing ring of the sensor. In most cases, it occurs due to natural ageing of sealing material. Lifetime of these elements shortens from excessive pressure in the system. In this case leakage of refrigerant, cooling efficiency worsening, increased noise during compressor operation are present.
  3. Wires break. It may be a result of mechanical impact. In winter, when insulation hardens, risk of break is especially high. The air-conditioner won’t start if the wires are damaged.

You can buy refrigerant pressure sensor for your car in online-shop. Here you always have an opportunity to purchase high-quality spare part at the most profitable price.

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