Nowadays, more and more features are introduced in cars, and one of the most common is to have the air conditioner in your car. A functioning air conditioner is no less a blessing on those wet summer days. However, you may find that something is not working in the system and that the interior is not cold enough. Well, a faulty AC circuit breaker could be the cause. Additional information on the dysfunctional symptoms of the AC pressure switch can be of great help to replace it immediately.
Identify the symptoms of the faulty AC pressure switch

Here are some tips to identify items that only occur when the AC pressure switch is not working properly. Go on

1. When the compressor is varying

A car's climate control system works automatically and goes off as soon as it reaches a certain pressure point. However, when an air
conditioning pressure switch does not operate properly, it may fluctuate or turn on and off repeatedly. This is easily detectable when the car is idling. You can check the plan and see how often it floats. This is one of the most common symptoms of the AC pressure switch that you might notice initially.


2. When it is not cold enough

If the automatic climate control pressure switch fails, a signal is sent to the system and, consequently, the alternating current is deactivated. Defective pressure prevents the cooling of your car's aura. The system stops and does not reach the desired temperature. So, if it takes more time to refresh the interior of the usual, it can be a sign.

3. Or if it does not work at all

It is not mandatory that an AC circuit breaker is faulty and, in some cases, it may not work. As a result, switch failure prevents AC power and does not cool the inside of the car. It can be an important symptom that a replacement for the pressure switch is required. Let the mechanic analyze if it is a failure of a high or low pressure switch.

Replacing the AC pressure switch out of service

If one of these symptoms occurs in your car, it clearly means that the pressure switch must be replaced. Let's start with the do-it-yourself:

1. Find the sensor and disconnect the negative battery

Start by locating the sensor, because in some cars it could be an alternative function of high pressure switch and, in some cases, a low function. Regardless of the sensor, it is possible to locate it in the area of the engine compartment. Once you have found the sensor, remove the negative battery to protect the process.

2. Install the new sensor

Remove the old sensor by unscrewing it and prepare to screw a new one. Read the manual of your car for specific instructions, regardless of whether you detect the symptoms of the AC pressure switch or low pressure switch.

3. Re-screw all the pieces

The last step is to tighten all the parts in the workplace and now you should see a working air conditioning system.

The Central Point

It is best to call a professional as soon as one of the defective symptoms of the AC pressure switch is detected. Having a do-it-yourself job might be the case, but if you're new and do not want to try the technique, it's better to call an expert and take advantage of this refined refreshing.

Source:
http://www.eliancars.com/2019/02/symptoms-of-faulty-ac-pressure-switch.html#more
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