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Clutchless compressor safe to drive with no charge?

skwakk on Mon August 17, 2015 9:34 PM User is offline

Year: 2008
Make: Volkswagen
Model: Rabbit
Engine Size: 2.5
Refrigerant Type: r134a

Hello,

Newbie here...I plan to replace the control valve on my A/C..My car is equipped with a variable displacement compressor (cluthcless). Does that mean it always runs when the car is running?

I plan to have the charge evacuated at the shop and replace the valve myself then have it recharged. My question is..with this kind of compressor, is it safe to drive the car without any charge? Provided that the A/C is not running of course. Somebody mentioned to me that the displacement will be minimal/neglible..but am I doing any harm by doing this?



Edited: Mon August 17, 2015 at 9:35 PM by skwakk

HECAT on Tue August 18, 2015 7:01 PM User is offline

If it stokes to neutral as it should when you turn the A/C off, then it will do no harm. If the RCV is faulty or stuck and it cannot stroke to neutral, it may do harm to the compressor.

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skwakk on Tue August 18, 2015 7:58 PM User is offline



Edited: Tue August 18, 2015 at 8:02 PM by skwakk

skwakk on Tue August 18, 2015 8:01 PM User is offline

thanks for the reply HECAT!

the problem with my ac is there is delayed cooling..so i guess the RCV takes awhile to engage? sometimes the AC won't get cold till 5-10 minutes.

If the AC is not getting cold or is turned off..wouldn't that mean that the RCV is already in neutral (off) position?

HECAT on Wed August 19, 2015 7:17 AM User is offline

If you guess/suspect the RCV is faulty; you cannot also assume it is working properly.

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

FLUSHING TECHNICAL PAPER vs2.pdf 

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