2004 Vue 3.5L a/c pressures

  #1  
Old 07-02-2015, 04:04 PM
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Default 2004 Vue 3.5L a/c pressures

About 3 months ago I was in a discussion on the forum about troubleshooting the a/c on my 2004 Vue 3.5 L and got some good information about what the pressures should be. Then I was out of town until now and when I went to go back and look up the thread, my log-in didn't work so I had to re-register and use a new ID. Anyway, I can't find the original threads so I need to know what the low and high pressures should read for a healthy system and under what circumstances.

Thanks, Malcolm
 
  #2  
Old 07-03-2015, 12:25 AM
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It's likely your account was shut down due to inactivity and your thread deleted.
The moderator scene has changed since you last logged on and we're trying to be proactive in letting everyone know what's what. Then we'll post a sticky for it that no one will read.

Here's the schpeil regarding membership on the forum. (We're now sending this via pm to new registrants so that the expectations are clear)

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Last edited by derf; 07-03-2015 at 12:32 AM.
  #3  
Old 07-03-2015, 12:32 AM
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Now that you have the membership expectations in hand, please read and decide your path.

To answer you AC Hi and Low side pressure question:

with R134a refrigerant, the high side on most vehicles will be around 200 ish, an the low side will be around 30 ish, with the compressor running. The values are slightly dependent on ambient temp, so when you use a gauge o read it, be sure to adjust the pointer to the ambient temp before you decide whether something is "out of spec"
 
  #4  
Old 07-03-2015, 10:37 AM
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Default Vue 3.5 L A/C pressure

When I first checked this system it was barely cooling and the low side was close to 50. I thought that was high so I lowered it to 30 and there was no cooling. It got better with it up around 55.

Malcolm
 
  #5  
Old 07-03-2015, 12:06 PM
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Or are you talking about Saturn Spot? I am a mod over there and can reset your account over there as well. I remember that thread.
 
  #6  
Old 07-03-2015, 01:01 PM
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Default Forum Confusion

You're probably right. I'd appreciate the transfer to see if I can find that thread.

Thanks!
 
  #7  
Old 07-03-2015, 11:50 PM
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Haha, the forums are not connected. Just a few of us are on a few different forums because we are enthusiasts. We like to help keep these cars alive. I can post a link to that thread, but as derf said before, in order to keep your account active here you need a 10 post minimum in 10 days.
 
  #8  
Old 07-03-2015, 11:52 PM
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Here is his other thread to reference for any other help guys:
2004 Vue V6 Automatic Rough Idle - Saturn Spot
 
  #9  
Old 07-04-2015, 12:38 AM
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just reached the same conclusion myself
 
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