2001 VW TDI New Beetle after refrigerant added, car has an on and off pulsing vibration. the ac is on and off as well and the acceleration falters

Why does my car shudder with the AC on?

Worn out or broken motor mounts

If you have been noticing abnormal engine vibrations or shaking when your AC is on, the problem may be in the engine mounts. If these are broken, misaligned, or worn out they can put a strain on it and consequently make it shake when air conditioning is turned on.

What happens when car AC is overcharged?

If there is air and you fill it with freon, you can expect your air conditioning system to not work properly. If you drive your car with an overcharged AC system, the compressor undergoes a lot more strain. Over time, it can possibly even damage the system.

How do I fix my car from vibrating?

If your wheels are misaligned, your car will usually “drift” when you take your hands off the wheel, and the steering wheel itself may vibrate or shake. This is a pretty easy fix – just take your car in for an alignment, and the problem will be resolved. But sometimes, the wheel itself is responsible for vibration.

Why does my AC vibrate?

The vibrations in the air conditioner could be caused by a mechanical problem such as a fan motor or compressor not working properly and might need to be replaced, the blower wheel or motor fan blade could be out of balance.

How do you fix an overcharged AC in a car?

And creating overfill condition. So I decided to take some pressure out by connecting the same hose. I used it to fill it in with.

How do you know if your AC compressor is overcharged?

4 Signs Of An Overcharged Air Conditioning System

  1. Higher Cost of Operation. An overcharged air conditioner system costs more money to operate, by decreasing overall efficiency. …
  2. Sticky Indoor Air. …
  3. Excessive Condenser Heat. …
  4. Non-Functioning Air Conditioner.

How do you know if your car has too much freon?

Its power demand increases when there is too much Freon. In this situation, noises may come out from the drive belt. Besides, poor acceleration, high fuel consumption, or rough idling are some other engine problems you will face when the AC is in trouble.

How do I stop my AC from vibrating?

AC Plastic Base Pulsating

To prevent this problem, consider replacing the plastic pad with a wooden one and minimize the vibrations. This can be done by firmly clamping the unit down on the pad and supporting it on small rubber blocks.

What are some probable causes of noise and vibration?

These potential sources of noise and vibration include heating, ventilation and air conditioning (HVAC) systems; pumps and motors; generators; elevators, garbage chutes and compacters; garage doors and the like.

How do I know if my AC compressor is bad in my car?

Four Signs Your Car’s AC Compressor Is Going Bad

  1. Odd Sounds. You might hear some strange noises when you flip on your vehicle’s air conditioner and if you do, it’s probably the compressor. …
  2. Hot Air. The whole point of turning on your vehicle’s AC is to get cold air to come through the vents. …
  3. Fluid Leaks. …
  4. Stuck Clutch.

What are the symptoms of a bad AC condenser?

3 Warning Signs You Have a Bad AC Condenser

  • Loud and abnormal noises coming from the unit.
  • Significantly reduced cooling capability from the unit.
  • The unit is leaking a noticeable amount of fluid past the typical amount of condensation.

What does a bad car AC compressor sound like?

So if you turn on your AC and hear a rattle, it may mean you have a failing or bad: AC compressor. Rattling or your car air conditioner making loud humming noises which get worse as you accelerate can both be signs you need to replace your AC compressor.

Will a bad AC compressor affect the engine?

Will a bad AC compressor affect the engine? A bad compressor could affect the engine in your car. If your compressor’s pulley bearing goes bad, your engine can stall due to the stuck compressor or the serpentine belt may break affecting all the accessories moved by the serpentine belt.

Can a bad alternator affect the air conditioner?

When your alternator is working, your battery will be charged enough to power all your vehicle’s electrical components. However, if the alternator is not working, your car’s electronics may fail or work below optimal capacity. This includes your air conditioner.