Why is my Jetta AC not working?

Why is my Jetta AC not working?

The most common causes that hinders normal operation of air conditioning system on your VW Jetta 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.

How do I test my AC compressor?

Here is how to check the compressor motor if you suspect it has failed;

1. Disconnect power.
2. Remove the top of the outdoor condensing unit.
3. Unplug the 3-prong plug on the compressor.
4. Set your multimeter to ohms.
5. Measure and record the resistance (ohms) measurement of each winding.

Does Volkswagen Jetta have air conditioning?

Recharge the A/C in Your Jetta While your 2017 Volkswagen Jetta’s air conditioner is being serviced, we’ll also do an A/C evacuation and recharge. Finally, we’ll recharge the A/C system with new refrigerant and after one final test to be sure the system is cooling properly, you’re all set.

What causes AC compressor failure?

Low Refrigerant Levels — Low refrigerant levels are typically caused by leaks in the refrigerant lines. Low refrigerant levels make the compressor work hard just to pump enough refrigerant through the AC unit, which, as you may have guessed, can lead to compressor failure.

What happens when AC compressor goes bad?

A failed or bad air conditioning compressor will not circulate refrigerant in the air-con system, and the outcome will be warm air coming through the AC vents. So, when the AC compressor fails, you’ll notice high degrees and hot airflow inside the car.

Are TDI Jettas reliable?

A good, used Jetta TDI, on the other hand, will easily last much longer and won’t cost too much when repairs are needed. Repair Pal gave the Volkswagen Jetta a four out of five when it comes to reliability and estimates an average annual repair cost of $609.

Do Volkswagen Jettas have electrical problems?

Phantom electrical issues are common for Volkswagen Jettas For almost 200 VW Jetta owners, this frustrating visit to the dealership was common. Tough to diagnose electrical malfunctions under the battery and at the engine, were plaguing them.

Can I drive my car with a bad AC compressor?

You can most likely use your car even with a faulty air compressor. However, there are a few things to keep in mind. As long as the compressor wheel turns smoothly, without wobbling or noises, it should not affect belt tension or the operation of other belt-driven accessories.

What happens when an air conditioner compressor goes out?

When your ac compressor fails, less air will come out from the vents, the air coming out could be warm, and the system may continually run without actually cooling your home. This is because refrigerant isn’t pumped through the system, and it can result in a higher power bill.

Why is my AC not working on my Jetta?

Insufficient amount of refrigerant is still the main cause of a non-functioning AC system. A loss of up to 15% of the refrigerant per year is normal due to the design. If you don’t have the system serviced regularly on your Jetta, the refrigerant level will eventually get so low that the system loses its cooling capacity.

When to change the air filter on a Jetta?

There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturer’s recommendation. Start by inspecting the condition of the cabin air filter on your Jetta.

Why does my Jetta lose so much refrigerant?

A loss of up to 15% of the refrigerant per year is normal due to the design. If you don’t have the system serviced regularly on your Jetta, 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.