If you want to cool down in the summer, or help you clear the fog from your windshield in the winter, air conditioning in vehicles has become an almost required feature recently. But what if the air conditioning in an Audi A4 isn’t cold anymore? This is precisely the question we will try to answer on this page. First, we’ll look at the various complications that can prevent the air conditioning in your Audi A4 from cooling down, and finally, we’ll look at the solutions available to you to handle this problem.

air-conditioning-no-coldaudi-a4

WHY IS THE AIR CONDITIONING IN MY Audi A4 NO LONGER COLD?

We will start our guide with the signs of illness that can explain that the air conditioning of your Audi A4 is no longer cooling.

BAD AIR CONDITIONING SMELL in my Audi A4 air con

One of the fairly known clues that can warn you to the fact that your air conditioning is not working is if you have a musty or damp smell inside your car, and yes, a bad smell can be a warning of a faulty air conditioning system, it can be perpetual or just present when you turn on your air conditioning. To discover a solution to this failure, we recommend you to go through our guide dedicated to bad air conditioning odors on Audi A4.

AIR CONDITIONING NOISE ON Audi A4

One of the other indications that can warn you to a not working air conditioner is that you feel a strange noise is coming on when you turn on your air conditioner (feel free to approach the vents to verify for any suspect noise). This noise could signify a faulty air conditioning clutch or a faulty customer compressor.

LOSS OF PRESSURE IN THE AIR CONDITIONING CIRCUIT

Quite hard to notice without elaborate mechanical expertise, a loss of pressure in your car’s air conditioning system can result in your air conditioning no longer producing cold. There are several possible causes to do this loss of pressure, and these are listed down below:

  • Leakage of refrigerant fumes
  • Non-functioning air conditioning compressor

AIR CONDITIONING SYSTEM THAT DOESN’T WORK AT ALL on my Audi A4

At last, it’s possible that the air conditioning in your Audi A4 is no longer cold just because your air conditioning system is no longer functioning. Here are the different roots of an air conditioning system that no longer functions:

  • Compressor pulley HS: The compressor will be out of power and the circuit will be stopped.
  • Overpressure concern: This will bring about the device to trip.
  • Defective sensor: As with overpressure, the air-conditioning system will switch to safe mode.

HOW DO I FIX THE AIR CONDITIONING ON MY Audi A4 THAT IS NO LONGER COOLING?

Now that we have been capable to see the most important motives of a Audi A4 air conditioning system that no longer cools down, we are going to present you the various solutions available to you . To begin with, you should know that an air conditioning system is complicated, and that wanting to carry out repairs yourself is not constantly the best idea, assuming that you are sure of the origin of the breakdown. Even so, here are the most important possible repairs and an estimate of their cost.

First step, before performing any major fix, clean the air conditioning of your Audi A4, don’t think twice to look at our dedicated article on this subject.
If this is not enough, bleed and refill the coolant, which should cost you around 100aine euros.
Changing the air conditioning clutch: you will need to spend around 150 euros for auto parts and around 100 euros more for labour.
Searching for and repairing an air conditioning leak: depending on the position of the leak it will cost you more or less, count on average 150/200 euros, including the air conditioning refill.
Replacement of an air conditioning condenser: you will need to count about 200 euros.
Changing the air conditioning gas compressor on Audi A4 costs about 500 euros with labor.

In the event that you have any further questions about the Audi A4, do not hesitate to consult our Audi A4 category.