Golf-FAQ.com

how to change a golf mk2 ac system evaporator core

by Trinity Lang Published 2 years ago Updated 2 years ago
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Where is the air conditioning condenser on a VW Golf?

Like the radiator, the air conditioning condenser on VW Golf sits at the front of the vehicle and is responsible for releasing the heat from the refrigerant into the ambient air. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh.

Why is my AC not working on my VW Golf?

Dirty evaporator can also be the reason for AC problems on your VW Golf. Cabin air filter captures most of the dirt or other airborne particles, but some escape and fall on to the evaporator. Over time, these dust particles can builds up on the fins and block the air flow through the evaporator, resulting in poor cooling.

What happens when the AC compressor in a golf eats itself?

The worst damage, however, is a failure of the AC compressor when it “eats” itself due to insufficient lubrication or a production error, metal chips form, which are distributed throughout the Golf’s AC system. If you only install a new compressor here, another failure is inevitable, as the chips immediately destroy the new component.

How to clean the condenser on my golf?

If the condenser is dirty on your Golf, the simplest solution is to clean it. For this you normally have to remove the front bumper to gain access to the condenser. You can use power washer for cleaning, but make sure that its at low pressure setting, as high pressure can easily damage the delicate fins on the condenser.

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How do you replace an evaporator core?

How to replace an a/c evaporator.Use a refrigerant recovery machine (For the specific refrigerant in the a/c system) to safely recovery/recycle the refrigerant.Remove lines from the thermal expansion valve.Remove hoses from heater core.Remove hvac case.Open hvac case.Remove evaporator core.More items...

Where is the evaporator core located?

An air conditioner's evaporator coil, also called the evaporator core, is the part of the system where the refrigerant absorbs heat. It's where the cold air comes from. The evaporator coil is inside or near the air handler where the blower fan is.

How long does it take to replace an evaporator core?

Labor. Installing an evaporator coil can take three to 8 hours to replace at $50 to $150 an hour or $150 to $1,200 for a licensed HVAC pro near you.

How much does it cost to replace an evaporator core in a car?

On average, the parts cost for a new AC evaporator will be around $600 to $750 and labor costs range from $300 to $450, but this will vary depending on the mechanic you go to.

What causes AC evaporator failure?

Corrosion of the copper tubing in the coil from the outside is the most common cause of evaporator coil leaks. This corrosion happens when formic acid accumulates on the coil as a result of the interaction of water, copper, and volatile organic compounds (VOCs) in your indoor air.

How do you remove an evaporator from a car?

0:051:53How to remove A/C evaporator from your car - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo we need to remove the lid. Then the body here and also the hook portion as well just remove itMoreSo we need to remove the lid. Then the body here and also the hook portion as well just remove it all so we can get up at the evaporator. And get it out we'll be showing those steps here in this.

Can I replace an evaporator coil myself?

Things You'll Need Some technicians charge anywhere from $800 to $1,500 to do this. While we suggest hiring a professional to replace evaporator coils, here's an idea of what you can expect, if you want to try it yourself.

How do I know if my car AC evaporator is bad?

A broken air conditioner may be a result of a faulty AC evaporator....4 Symptoms of a Bad or Failing Air Conditioning EvaporatorThe cool air is weak or no cold air is blowing at all. ... You notice a strange odor when using your AC system. ... The AC compressor will not activate. ... The AC temperature will vary.

Can a car AC evaporator be repaired?

5 days agoThe evaporator fins are also susceptible to clogging from leaves or hair from pets and other outside road debris. The only true permanent fix for a leaking evaporator core is the replacement of the component.

Is it worth replacing an evaporator in a car?

Most cars will never need a new evaporator, but there are factors that can shorten its life. The evaporator is metallic, and if there's moisture in the air conditioning system, that moisture can cause corrosion. Likewise, a leaking heater core can get coolant on the evaporator, potentially ruining it.

How do I know if my evaporator is leaking?

Signs of a Leaking Evaporator CoilWater Overflowing Drip Pan. Your AC unit has a drip pan to collect normal condensation build-up. ... AC Takes a Long Time to Cool Home. ... Weak, Unresponsive Airflow. ... Warm Airflow.

How long does a car evaporator last?

10 to 15 yearsIf proper maintenance is regularly performed, then the evaporator coils should last 10 to 15 years, which is the ideal lifetime for an evaporator coil and comparable to the lifespan of an AC unit. However, how long your evaporator coils last will be much shorter if your unit is improperly maintained.

How do I know if my evaporator core is leaking?

To verify if a leak exists, before removing the evaporator, a vacuum test can be performed. Using appropriate flush adapters on the evaporator fittings, pull a vacuum of 28” to 30” Hg. The evaporator should hold vacuum for 30 minutes. If there is a loss of vacuum, verify that the adapters and gauges are not the cause.

How do you clean an evaporator core?

Step 1: Remove the Glove Box.Step 2: Access the Evaporator Coil.Step 3: Spray the Cleaner on the Evaporator Coil Through the Access Point.Step 4: Rinse the Evaporator Coil.Step 5: Dry the Evaporator Coil.Step 6: Put Back the Blower Fan or Resistor Block or Seal the Hole You Drilled.Step 7: Put Back the Glove Box.

Is a heater core and evaporator core the same thing?

The evaporator is typically hidden inside the vehicle's dashboard and can be labor-intensive to replace, which then requires a full system recharge. Unlike a ruptured heater core, which can leak engine coolant into the foot wells, a leak in the evaporator releases only refrigerant vapor.

How do I know if my evaporator coil is leaking?

Here are four signs of a leaking evaporator coil so you can address the issue and get it repaired quickly.Water Overflowing Drip Pan. Your AC unit has a drip pan to collect normal condensation build-up. ... AC Takes a Long Time to Cool Home. ... Weak, Unresponsive Airflow. ... Warm Airflow.

Why is my golf air conditioning not working?

A leaking condenser can lead to a loss of refrigerant and reduced cooling performance of the system. In order to find leaks in the air conditioning system, a leak search is carried out in the workshop using forming gas – even ...

Why is my VW Golf not having air conditioning?

The most common causes that hinders normal operation of air conditioning system on your VW Golf are dirty cabin air filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, bad blower motor, defective compressor, faulty blend door actuator or any fault in the electrical system. 1. Dirty cabin air filter.

What is the compressor on a VW Golf?

The compressor is the heart of the entire air conditioning system on VW Golf. It consists of moving parts that convert what is actually a gaseous coolant into liquid – this is how your vehicle is cooled.

What happens if you don't service your golf club?

If you don’t have the system serviced regularly on your Golf, the refrigerant level will eventually get so low that the system loses its cooling capacity. Just have it refilled and you can drive with pleasant temperatures again. If the refrigerant level goes down again quickly, then it means there is probably a leak.

What causes a non-functioning AC system?

If this is the case, the only option is to replace the broken part. 3. Refrigerant Leak. Insufficient amount of refrigerant is still the main cause of a non-functioning AC system.

What causes a VW Golf to be dirty?

1. Dirty cabin air filter. The pollen filter, also known as the cabin filter or microfilter, is a central component of the ventilation system in your VW Golf. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow.

What is a blend door actuator?

Blend door actuator plays a role in controlling the air flow and temperature inside your Golf. Anytime there is a problem with the temperature of the air conditioning system, it could be a problem with the blend door actuator.

Find Your Cost

Average Shop Price RepairSmith Price $ Tell us your vehicle to get a guaranteed price for your brakes from RepairSmith.

What is an AC Evaporator Core?

Well, let’s start with the basics. Like, the super basics. AC stands for air conditioning. Hopefully, you knew that already. With that out of the way, let’s get to the evaporator core, which is a really big part of your air conditioning system.

Symptoms of a failing AC Evaporator Core

If your AC evaporator is busted, your air conditioning system doesn’t really have a way of producing cold air. Unless it’s a frigid day, and you turn on your fans, you simply won’t have a way of getting cold air into your cabin. The temperature of the air depends on how broken the AC evaporator is.

How long does it take to remove an evaporator?

Approximate time to remove the evaporator assembly is 15 minutes. Removal of the evaporator assembly: 1. Make a cardboard panel to stick the bolts and screws into. 2. Remove the two screws holding the glove box door on and then remove the glove box. Screw the screws back into the glove box support. 3.

How much does an OEM part cost?

OEM part number is 88501-34010 and seems to cost about $300 online (discounted). Aftermarket is about $75 to $100. I will stick to OEM since I can't confirm how well the aftermarket ones are put together.

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