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  #16  
Old 04-16-2008, 11:27 AM
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I just checked the pressure and there is none....
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  #17  
Old 04-16-2008, 03:00 PM
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Now to ..........

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Originally Posted by svx_commuter View Post
I just checked the pressure and there is none....
Find the leak.

Could add some refrigerant gas and use super suds I would use oil spots as an indication where hoses fasten to components and use the bubbles.
If you used it recently and it worked, then the leak is substantial.

Bummer

Keith
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  #18  
Old 04-16-2008, 03:03 PM
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on the conection.....

there is a needle valve that has to be depressed ( not knowing what you checked the pressure with)
Just to give you a heads up in case you didn't realize that.

Keith again
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  #19  
Old 04-17-2008, 10:13 AM
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The gauge I used has a stem that depresses the valve in the connection.

I have FSM for a later model Legacy. It say to run a vacuum pump for several minute to get the water vapor out of the system. There is a procedure for this.

What happens if I run the ac system and there is water inside it?
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  #20  
Old 04-17-2008, 10:40 AM
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I found this that tells how to fill a Nissan. Happens to be the same R134 capacity as the SVX. http://www.sadik.net/nissan/howto/ac_r134.htm

This has info on the low pressure gauge readings and if the system has been apart
http://www.instructables.com/id/SWUERP3FDHGJTGK/

The vacuum test is also a leak test. When the system can't hold vacuum there could be a leak somewhere.
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  #21  
Old 04-17-2008, 10:54 PM
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Not water...

Quote:
Originally Posted by svx_commuter View Post
The gauge I used has a stem that depresses the valve in the connection.

I have FSM for a later model Legacy. It say to run a vacuum pump for several minute to get the water vapor out of the system. There is a procedure for this.

What happens if I run the ac system and there is water inside it?
But just moisture from the outside air.
I would find the leak before pulling a vacuum on the system.
If you have a pretty bad leak, ( all the refrigerant is gone), you will pull more moisture into the system by pulling a vacuum.

The low side safety should not allow you to get mush moisture in the system because before the system gets low enough for a negative lo side, the compressor clutch will not ingage. ( the purpose of the lo side safety)
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  #22  
Old 04-18-2008, 10:23 AM
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I put in two 12oz cans of R134a last night. So far so good
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  #23  
Old 04-18-2008, 11:54 AM
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Keeping fingers crossed for you!!

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Originally Posted by svx_commuter View Post
I put in two 12oz cans of R134a last night. So far so good
Good luck,
Keith
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