If you want to cool down in the summer, or help you clear the fog from your windshield in the winter, air conditioning in cars has grown to be an almost obligatory feature nowadays. But what if the air conditioning in an GMC Sierra isn’t cold anymore? This is exactly the question we will try to answer on this page. First, we’ll look at the various problems that can prevent the air conditioning in your GMC Sierra from cooling down, and at last, we’ll check out the solutions available to you to handle this problem.
WHY IS THE AIR CONDITIONING IN MY GMC Sierra NO LONGER COLD?
We will begin our guide with the signs of illness that can justify that the air conditioning of your GMC Sierra is no longer cooling.
BAD AIR CONDITIONING SMELL in my GMC Sierra air con
One of the fairly basic signs that can notify you to the fact that your air conditioning is not functioning is if you have a musty or damp smell inside your motor vehicle, and yes, a bad smell can be a warning of a faulty air conditioning system, it can be permanent or only present when you turn on your air conditioning. To find a solution to this malfunction, we suggest you to browse our guide dedicated to bad air conditioning odors on GMC Sierra.
AIR CONDITIONING NOISE ON GMC Sierra
One of the other indications that can notify you to a failing air conditioner is that you experience a strange noise is coming on when you turn on your air conditioner (feel free to approach the vents to check 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
Actually quite tricky to notice without elaborate mechanical knowledge, 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 motives for this loss of pressure, and these are listed down below:
- Leakage of refrigerant fumes
- nonfunctioning air conditioning compressor
AIR CONDITIONING SYSTEM THAT DOESN’T WORK AT ALL on my GMC Sierra
Finally, it’s possible that the air conditioning in your GMC Sierra is no longer cold just because your air conditioning system is no longer working. 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.
- Faulty sensor: As with overpressure, the air-conditioning system will switch to safe mode.
HOW DO I FIX THE AIR CONDITIONING ON MY GMC Sierra THAT IS NO LONGER COOLING?
Now that we have been capable to discover the main triggers of a GMC Sierra air conditioning system that no longer cools down, we are going to show you the different solutions available to you . To begin with, you should know that an air conditioning system is complicated, and that wanting to perform repairs yourself is not always the best idea, supposing that you are sure of the source of the breakdown. Even so, here are the main possible repairs and an estimate of their cost.
First step, before carrying out any major fix, clean the air conditioning of your GMC Sierra, don’t hesitate to check out our focused on content 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 parts and around 100 euros more for labour.
Searching for and repairing an air conditioning leak: based on the position of the leak it will cost you more or less, count on average 150/200 euros, counting 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 GMC Sierra costs about 500 euros with labor.
Whenever you have any further questions about the GMC Sierra, do not hesitate to consult our GMC Sierra category.
