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The fourth generation Volkswagen Jetta, also called the MK4 or the Bora, is Volkswagen's family sedan.

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Air conditioner system problem 2002 Jetta

Have changed out the compressor, pressure switch, drier and it still just cycles off. The compressor keeps turning on and off. Could my air conditioner radiator be bad and need to be replaced?

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@jstehly what exact model is your Jetta and what engine?


It is 2002 vw Jetta TDI


air conditioner not powering on


indoor air conditioner not powering on yet the power supply is ok


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@jjstehly check it for a refrigerant leak. Also check your pressures. Unlikely that your air conditioner radiator condenser would cause this

Update (08/03/2019)

The cycling of the compressor could be caused by low charge. There is a high pressure cut off switch and a low pressure cut off switch in a system. As the pressure fluctuates past the range of either one of those the system will be cycling to protect the refrigerant system. Of course, it is possible that the switch on the receiver/drier could be at fault. You need to get the pressure on your system checked for further troubleshooting. Here is the AC part from a service manual that describes the function, parts etc. Jetta-AC.pdf

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Checked for leaks it has no leaks.


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Jerome Stehly será eternamente grato(a).
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