What to do if your VW compressor is not working?
VW AC COMPRESSOR FIX CHEAP! VW A/C COMPRESSOR NOT WORKING – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations.
Why is my Volkswagen Passat air conditioner not cold?
Most of the time, when your Passat’s air isn’t blowing cold enough, it is going to be a lack of refrigerant causing the problem. We recommend having a professional recharge your A/C if it does end up being a coolant issue. If you put too much coolant into the system, you can really do some damage.
Why is there no power to the a / C compressor?
Potential Causes: A/C Compressor, A/C Pressure Sensor F129, A/C Switch, Ambient Temperature Switch F38, Battery Auxiliary Fuse Box, Fan Control Module J293 (and Wiring), Fuse or Lost Throttle Basic Settings Test the Fan Control (FCM) module inputs as follows: 1.
What’s the duty cycle on a Volkswagen a / C compressor?
3. Verify an approximate 70% duty cycle from the A/C pressure sensor at pin T14/2 (white) with the ignition on and the compressor not running (duty cycle will decrease as the high-side pressure increases).
Why is the AC clutch on my Jetta not working?
Make and Model > Volkswagon > Jetta > VW Jetta AC Compressor… Shops are finding the root problem for a VW Jetta compressor clutch won’t engage may be caused by a fuse box corrosion issue, not a bad compressor clutch or low refrigerant issues as most people suspect (VW calls this a fuse bracket).
Why is my air conditioner not working on my VW Golf?
VW Golf/Bora MK4 Air Conditioning not working cold- Compressor wires broken? – YouTube VW Golf/Bora MK4 Air Conditioning not working cold- Compressor wires broken? If playback doesn’t begin shortly, try restarting your device.
Why is my a / C not working on my Jetta?
This includes 98-10 Beetle, 99-06Golf, 99-05 GTI/GLI/Jetta/Bora. The fuse as shown in the picture normally does NOT fail but the fuse box under it does. It melts and this particular part sends power to the cooling fan thermal switch AND the Fan control module. The fan module also sends power to the a/c compressor.
What to do if your VW Golf has no AC?
If you turn the key and turn on AC, both radiator fans should come on. If not, AC compressor will not engage, and most likely one fan is dead. Replaced with $40 for both off ebay… And I have AC. Loading…
Why are the radiator fans on my Jetta not working?
Dead radiator fans. If you turn the key and turn on AC, both radiator fans should come on. If not, AC compressor will not engage, and most likely one fan is dead. Replaced with $40 for both off ebay… And I have AC. Loading…
When do you turn on the a / C on a VW?
When the A/C is switched on and the blower motor is running at any speed, verify that 12 volts from the A/C switch in the instrument panel is available to pin T14/8 (blue/red). Note: The cooling fans should run at low speed whenever the A/C is switched on.
Where is the fan control module on a VW?
The fan control module is located under the radiator and has two connectors: a 14-pin (T14) and a 4-pin (T4). 2. Check for 12 volts to pin T4a/1 (red/black) and T4a/3 (red) via fuses S164 and S180 respectively, in the fuse box on top of the battery, at all times.
Where is the 11 volt reference on a VW?
8. Verify the presence of an 11-volt reference (actual voltage reading will oscillate between 7, 9 and 11 volts) at pin T14/13 (purple/yellow). The instrument cluster will ground this reference to request a compressor shutdown for an overheat condition. The cooling fans will also be running on high speed.
Why is my air conditioner not working on my Jetta?
Potential causes include malfunctioning A/C switch, air conditioner high pressure sensor, defective fan control module, ground, power and/or throttle basic settings. Customer Concern: The A/C is not working.
Why does my AC compressor clutch not engage?
Why AC clutch won’t engage If the clutch doesn’t engage, the problem could be a blown fuse, an open in the wire to the clutch coil, a bad clutch coil, a poor ground, or a low pressure lockout. AC compressor clutches receive power in a number of ways.
What to do if your air conditioner is not working?
Hey guys, if you have a VW and your A/C Compressor Air Conditioner is not working then this is the video you need. We have replaced so many A/C Compressor and we have wasted so much money. However, we found that trick and for only $25 we can fix it. We have seen those go bad on VW Jetta, Vw golf, VW PASSAT, VW EOS, VW TOUAREG and more.
How do you remove an AC compressor from a car?
Remove the negative battery cable from its post. Remove the bolt at the compressor that secures the refrigerant lines and inspect the lines carefully for dirt or signs of wear. Disconnect the compressor’s electrical connections. Remove the compressor’s mounting bolts and pull the unit from the vehicle.
Is it safe to replace an AC compressor?
The compressor’s clutch also may not engage and will just stay cycled off all the time. While this may seem like a death sentence—especially in the height of summer—replacing AC compressors isn’t the most complicated task. We break it down for you here. Remember to wear safety glasses and latex gloves before you get started!
Why is the pulley on my AC compressor not working?
Check the front side of the clutch to examine its condition. Also, find out whether the clutch and the pulley are spinning. If only the pulley is rotating, the compressor clutch is having an issue, which could be stemming from several sources – a blown fuse, bad clutch oil, low-pressure lockout, or an open wire in the oil.
What to do if your a / C compressor won’t engage?
HOWEVER, if you cannot turn the compressor on, you cannot recharge your AC levels (grrrr). So you need to use a paper clip to bypass the relay switch and force the clutch to engage. You can then recharge the freon and re install the relay switch and it will sense more pressure and the clutch will engage by itself. Loading…
What happens when the AC stops working in a Tiguan?
When the car overheats, the AC stops working and blows warm air. Both fans move freely, and this is the second Tiguan I’ve owned, the first one was a 2010. I also have had 2 Passats and 2 Jettas, all here in Miami, so I know what the normal operating temperature is for these cars when they are functioning properly.
What causes a / C to work on a VW?
Note: Pin T14/3 will be grounded by the ECM if the throttle basic settings are lost. Raising the engine rpm over 2,500 will cause the ECM to allow A/C operation if this is the case. If a ground condition exists on pin 3, perform a throttle basic setting procedure and recheck for correct voltage.
Why is my air conditioner not working on my Volkswagen Passat?
This is far and away the most common reason that your Passat’s air conditioner is not functioning. It can be tempting to just get more coolant and get back on the road, but unless you find where the leak is coming from it’ll eventually happen again.
What are the symptoms of a bad AC pressure switch?
The most common symptom of a bad AC pressure switch are that you will notice that the AC compressor is cutting on and off rapidly when you are idling your car. These switches between on and off can be noticeable on the engine’s rpm, and you may see or feel fluctuations from it.
Where are the low and high AC pressure switches located?
The low-pressure side switch is found before the AC compressor, while the high-pressure switch comes after the compressor. Most AC pressure switches are found within the engine compartment, but some manufacturers put them elsewhere. A look in your service manual will show you the appropriate location for your model. AC Pressure Switch Function
What does it mean when your AC compressor clicks off and on?
If the compressor is clicking off and on, you are going to notice some strange sounds. It will sound like the clicking occurring when the compressor normally activates, except the air won’t be working with it. Listen for the distinct clicking noises, telling you that the switch is turning the compressor off and on.
https://www.youtube.com/watch?v=Af-jT9cAioM
Why does the a / C compressor run in vent mode?
The a/c compressor even runs in vent mode. The only way to shut it down is to turn the whole system off. Still seems wierd why Ford would keep it on for all modes. What is the point of the AC and AC Max settings then?
Is the AC compressor supposed to run all the time?
If you have auto-climate control, this is exactly how it is supposed to work. On both of my Lincolns, the AC compressor runs all the time, summer and winter, if the control is on any setting other than off. (I just leave it on full auto all the time anyway.)
Why is my air conditioner compressor cycling on and off?
The air conditioner compressor was rapidly cycling on and off. I turned the A/C off and stopped putting R-134a into it becuase the compressor cycling was almost causing the car to die from the load it was putting on the engine. Onto Google I went.