Repairing Guides

how long does it take to repair ac in car

by Dr. Aisha Russel DVM Published 2 years ago Updated 1 year ago
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The job could take anywhere from about 3 to 5 hours to complete, but this time is subject to the specific issue the air conditioner in the car is having.

How much does it cost to repair a car air conditioning system?

Having an air conditioning service performed at the first sign of trouble can reduce the risk, although it's not cheap: Replacing the compressor and flushing the system can cost over $1,000. The best advice you can follow to ensure that you're getting a fair price on a car air conditioning repair is to comparison shop—always get several estimates.

How long does it take to recharge your car’s AC?

Typically, recharging your car’s AC can take you 40 to 50 minutes, where you completely replace the old gas fresh refrigerant. Of course, you can bring this time down to 10 or 15 minutes with a few tricks.

How long do air conditioner parts last?

The same can usually be said for your AC condenser, too, which will often last as long as the compressor if not longer in some cases. A good way to try and gauge how long these AC system parts and others will last is by having your AC system as a whole inspected every so often.

Do I need to schedule Auto AC repairs?

If, for example, your car only sends out warm air when you have your AC turned on, that’s a pretty clear-cut sign that you need to schedule auto AC repairs and prepare to pay the auto AC repair costs that come along with them.

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How long does fixing a car AC take?

The Answer is Seldom a Simple One It entails removing and disposing of any remaining refrigerant, disconnecting and removing the old compressor, installing the new one with proper fittings, and recharging with refrigerant. Add it all up and it typically takes four to six hours.

How much does it cost to fix the AC of a car?

$100 to $900Typically, depending on the severity of the issue, it can cost anywhere from $100 to $900 to fix a car's air conditioner. Costs tend to run higher when you need to purchase additional parts, like a new compressor, condenser, sensor, or hose.

How long does it take to put AC in a car?

about 3 to 5 hoursGenerally speaking, the job itself takes about 3 to 5 hours to complete.

Why is my car AC not blowing cold air?

The most common cause of a vehicle's air conditioner not getting cold enough is that it needs to be recharged. You can recharge your refrigerant by yourself, but to save time and make sure the job is done correctly you should make an appointment with your local professional auto shop.

Why is my car AC blowing warm air?

A car A/C blowing hot air is often the result of a refrigerant leak. Refrigerant is a liquid that circulates through your car's A/C system, expanding and contracting as it removes heat and humidity from the cabin. None of the other A/C components will function correctly without proper refrigerant levels.

How many hours does it take to replace a compressor?

The replacement of the compressor is about 1.5 hours and does not include the recover or evacuate and recharge of the system. The orifice and accumulator is additional components that would need to be replaced.

Is it worth replacing compressor in car?

The compressor only needs to be replaced if it fails. They can last the lifetime of the car, but generally a compressor's life span is around 10-12 years and 150 to 200K miles.

Can I just replace the AC compressor in my car?

The gas can be cooled by immersing the coil in water or by a fan. Typically, replacing a compressor should be done by a professional, but you can perform this task at home if you are competent working with your hands. Doing the job yourself can also save you a decent amount of money.

Does your car need to be moving for the AC to work?

When the car starts moving, air will go through the engine bay. Helping to cool down both the engine and the AC components. This is why even if you have an overheating engine, the air conditioning may still work when you're driving – thanks to the outside air going through the engine.

How long does it take for car AC to get cold after recharge?

Your Ac should start blowing cold soon after the recharging is done. Some systems might take longer to kick in, but that shouldn't be over two hours after the recharge process. If the Ac doesn't get cold after recharging, any of the below reasons could be the problem.

Can you drive your car without AC?

You need to let a little bit of outside air into the cabin and just by flowing through, it will cool things down for the driver and passengers at least a little bit. In some car models, you can even get away with just running the HVAC system fan to create a much-needed airflow inside the car.

How long does it take Freon to work in a car?

Charge the system with the can upright position. By the way it can take up to 1/2 hour to charge a system... If your system is very low when you start putting in freon the compressor may not start turning until a sensor sees you have a predefined minimum amount of freon. Add 15 minutes more for charging.

How much does it cost to recharge an air conditioner?

Depending on the garage, it might be anywhere from $50 to $150. When you take your car in, you're paying for parts and labor. The cost will depend on the garage and the length of time the repair takes.

Why is it so frustrating to have a mechanic check your car?

Sometimes you can have a problem that comes and goes. These can be the most frustrating because a mechanic will often tell you there's no problem. The mechanic needs to experience the issue when he/she checks the car. They need to recreate the issue in order to diagnose and fix it.

Why does my air conditioner smell bad?

Foul Smell. If your air conditioner is emitting a bad smell, it often means that there's mold or mildew built up within the system. It may also mean that the filter needs to be changed.

What happens if you leave a car unchecked?

Some issues, when left unchecked, can cause damage in other areas. So finding out about them and fixing them early can mean a less expensive repair. If it’s already too late, and your car is in need of a pricey repair, check to see what your car is worth before writing that big check.

Can you know what parts are in your A/C?

If you're not especially knowledgeable about cars, you may not know what parts are incorporated in your A/C system. This can make diagnosing issues fairly difficult, nigh on impossible without expert help. A lot of car owners get nervous that they're paying too much for repairs simply because they don't really understand the system.

Can you recharge your car's A/C?

You should still make sure that the rest of the system is running optimally, though. Sometimes your car just needs a recharge, but sometimes it's losing refrigerant because there's a leak which should be repaired.

How Often Should You Recharge the Air Conditioner?

This depends mainly on the quality of your car’s AC and partly on how you use it. Some car ACs can last for 5 to 7 years before you need to recharge them. Other car models can offer significantly less duration on its AC where you need to recharge once every year or two.

How Can You Tell Your AC Needs a Refill?

There are some obvious signs that indicate a failing air conditioner. If you pay close attention, you can spot these pretty early, which might just save you from a potentially excruciating session on a hot afternoon. So, here are the signs you can look out for:

Why Does Your Car AC Run Out Of Refrigerant?

Contrary to what some may believe initially, the refrigerant (usually freon) inside an AC does not evaporate or convert to other substances. The machine is designed to continuously recycle the gas without losing any of it.

How to Recharge the Air Conditioner in Your Car?

First, you need to check for any leakage or defect in the system. You can use an electronic gauge to detect leakage and find out the pressure level in your conditioner.

How much does it cost to recharge an AC system?

If no leaks are found, a system check and recharge may cost only around $100.

How cold should my car air conditioner be?

With its fan at full blast, a properly functioning AC system should be able to cool the air in your car at least 40 degrees. If you’re noticing a lack of cold air coming from the dashboard vents, your air conditioner is probably malfunctioning. In a broken system, the airflow may fluctuate from hot air to warm air to cool air before becoming hot ...

Why does my AC leak?

Often, the age of the AC system contributes to leaks. Even if you stay on top of routine maintenance, older cars are more likely to suffer from leaks due to their long exposure to heat, vibration, and general wear and tear. Older cars might also have issues with the compressor. The more miles you have on your car, ...

Why does my AC make a noise when I turn it on?

Even if you still have cold air being produced by the blower, this noise could signal trouble with the air conditioner’s compressor.

Where is the AC located in a car?

AC components are located throughout your car, and the complexity of the layout will vary by car model. For instance, the compressor may be attached to the engine, but the condenser could be near the radiator at the front of the car, and the evaporator is often behind the dashboard.

Can you recharge an AC system at auto parts stores?

Environmental regulations must be followed, and specialized equipment is required to service an air conditioner correctly. The DIY recharge kits found at auto parts stores may help in the short term, but improper service could damage the system or mask more serious AC problems, leading to a more expensive car AC repair.

Can you keep your AC inoperable?

Don’t let your AC system remain inoperable indefinitely, as it could deteriorate without the proper refrigerant level, further complicating the eventual repair. But in most cases, it’s safe to continue driving your car in the short term while seeking multiple estimates for repair services.

How long does an AC compressor last?

But generally speaking, you should know that something like your AC compressor is going to continue working for about 8 to 10 years before it’ll need to be replaced. The same can usually be said for your AC condenser, too, which will often last as long as the compressor if not longer in some cases.

What parts of an AC system go bad?

There are also several other parts in your auto AC system that make it go. This includes an AC condenser, an accumulator, a thermal valve expansion valve, and an evaporator. There are also a series of hoses that are used to keep your car’s AC system ...

What does it mean when your car only sends out warm air when you turn on the AC?

If, for example, your car only sends out warm air when you have your AC turned on, that’s a pretty clear-cut sign that you need to schedule auto AC repairs and prepare to pay the auto AC repair costs that come along with them.

How to avoid being surprised by auto repairs?

One of the ways that vehicle owners can avoid being surprised by auto repairs is by figuring out how long certain parts in their car are going to last. A repair won’t catch you off guard when you have some general idea of how long your car’s parts are going to stick around for.

What is the compressor in an AC system?

The compressor is probably the first part that comes to mind when you think about your car’s AC system. It’s responsible for pressurizing the refrigerant in your AC system so that it’s able to cool air off for your car, and it’s also in charge of keeping the air in your system moving along. It’s a part that you’re going to have to repair ...

Should I dump money into my car to fix an AC compressor?

You shouldn’t dump hundreds of dollars into a car to fix a part like an AC compressor when there is a chance that another part of your AC system could break next week. You would be better off avoiding the auto AC repair costs and leaving your AC system alone.

Can I get a discount on my car's AC?

There isn’t much wiggle room when it comes to auto AC repair costs, either. Auto repair shops aren’t going to be able to offer you much of a discount on their AC products and services, which could very well make it difficult for you to arrange to have your car’s AC system fixed.

How Does An AC Work?

Before we jump into the reasons why an AC might stop working, understanding the process of cooling your cabin will give you a better chance of finding the root cause of the problem.

Cost To Fix A Faulty AC

As previously mentioned, there are many possible reasons why an AC might not work properly. These possible reasons include a problem in one of the components or a leak in one of the many hoses.

Summary

The air conditioner makes the cabin of your car cool and pleasant. It works by changing the state of the refrigerant from gas to liquid which involves high pressures and temperatures.

Why does my car's AC go out?

Having your car’s air conditioning go out suddenly can ruin your day fast. The most common causes of broken air conditioning are leaks or compressor issues. If your air is blowing cool but not cold, the problem could be a clogged filter, cooling fan problem, radiator trouble, or it could simply be that you need to recharge your AC.

How to check if air conditioner is working?

If the air conditioning is set to max cool and fans on high, but is only blowing moderately cool air: 1 Check to see that the cooling fans on the condenser or radiator are running when the air conditioning is on. 2 Look for any restrictions like leaves, bugs or dirt that would keep air from passing over the condenser. 3 Check the cabin air filter to ensure that it is not clogged.

How does an AC condenser work?

The AC condenser looks similar to a radiator and works in conjunction with the radiator fan (s). Air flowing across the AC condenser tubes cool the hot (gaseous) refrigerant that absorbed heat from inside the vehicle.

What to look for when air conditioning is on?

If the air conditioning is set to max cool and fans on high, but is only blowing moderately cool air: Check to see that the cooling fans on the condenser or radiator are running when the air conditioning is on. Look for any restrictions like leaves, bugs or dirt that would keep air from passing over the condenser.

What is an AC clutch?

The engagement clutch, called an AC clutch, can also fail rendering the compressor inoperative. What to Look For: If the refrigerant is low, check for visible system leaks that appear green and oily. Failing internal components caused by normal wear or low AC Oil levels caused by leaks. Failed AC clutch.

What is an evaporator in an AC?

The AC evaporator acts like a huge ice cube with holes in it. It allows the hot, cabin air to flow through the core, rapidly cools this air, and blows it out into the cabin again. The cool air felt from the dash vents is provided by the AC heater blower motor assembly.

What causes an AC evaporator to fail?

Common Problems: The number one cause of failure is a leak due to age and wear. An electronic leak detector is the best way to check for leaks. Give attention to the AC evaporator box water drain tube. Use the tester to search for a leak.

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