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Low pressure same as high pressure

gigel on Tue May 06, 2008 3:52 PM User is offline

Year: 2002
Make: vw
Model: jetta
Engine Size: 2000
Refrigerant Type: r134
Ambient Temp: 80
Pressure Low: 90
Pressure High: 90

2002 Jetta 2.0, AC compressor is ON, but the pressures are both the same, just like the compressor wouldn't be engaged. I am thinking that the expansion valve is stuck open, does this sound OK? Can the compressor be so bad that it doesn't make the smallest difference in pressures?

mk378 on Tue May 06, 2008 4:07 PM User is offline

The variable displacement compressor used on that car can and does fail that way. Stuck at zero displacement.

TRB on Tue May 06, 2008 4:12 PM User is offlineView users profile

Low refrigerant level.

Control valve if system has a proper charge level.

May check this link as this situation has been cover a few times.


When considering your next auto A/C purchase, please consider the site that supports you:

gigel on Tue May 06, 2008 4:19 PM User is offline

So, does it look like I need a new compressor? Is there a way to test the compressor before I swap it out?

HECAT on Tue May 06, 2008 5:37 PM User is offline

Yes and Yes.

You can follow the links provided to find out how to test, or just replace the compressor.


HECAT: You support the Forum when you consider for your a/c parts.


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