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Air Conditioner Question

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  #31  
Old 09-01-2014, 03:21 PM
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Originally Posted by SirTed
Hi guys,

I just bought '04 E350 with a little over 67k on it. The AC wasn't working at all, so I got a 12oz can of r134 and put it in. Prior to this, the ac clutch wouldn't spin, I got the pressure up to 35lbs and the clutch spun, but then it went back down to zero.

The guys at the parts store say I need 60oz of stuff in the thing to completely recharge it, how do I tell if I have a leak or if the little amount of stuff I put in the system just 'evened out' and I lost all that pressure again?
Yeah 60oz is way too much. Without a set of gauges on it you are just guessing.

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  #32  
Old 09-01-2014, 03:30 PM
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Forgot to mention it has rear air.
 
  #33  
Old 09-01-2014, 03:35 PM
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Originally Posted by SirTed
Forgot to mention it has rear air.
Doesn't matter. That's, what, close to 4 lbs? I don't think I've seen a vehicle that's called for more than 2.5-2.75 lbs. Most are around the 2 lb mark. Check under the hood, it will tell you

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  #34  
Old 09-01-2014, 06:37 PM
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Originally Posted by bunky383
Doesn't matter. That's, what, close to 4 lbs? I don't think I've seen a vehicle that's called for more than 2.5-2.75 lbs. Most are around the 2 lb mark. Check under the hood, it will tell you

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Tahoes take 4lbs and the AC is ice cold.
 
  #35  
Old 09-01-2014, 07:39 PM
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Originally Posted by bunky383
Doesn't matter. That's, what, close to 4 lbs? I don't think I've seen a vehicle that's called for more than 2.5-2.75 lbs. Most are around the 2 lb mark. Check under the hood, it will tell you

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Well, the guy wasn't guessing, he looked it up on the store computer. But my question still is, is it leaking or was 12oz not enough to keep the pressure up?
 
  #36  
Old 09-01-2014, 07:40 PM
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I'm thinking if 12oz is enough to engage the compressor, he shouldn't need too much more

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  #37  
Old 09-01-2014, 07:48 PM
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12oz did engage it, but not for long. All this happened within about a minute or two of pressuring up.
 
  #38  
Old 09-04-2014, 12:06 PM
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Lots of information here.

https://www.ford-trucks.com/forums/1...-speak-up.html

I have not succeeded in getting a dealer to repair mine. They barely even look at it under its problem conditions/temperatures.

Good Luck

Green Gem
 
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