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A/C does not turn on.

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Old Jun 6, 2011 | 06:22 PM
  #11  
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Thanks for the info!
Another question,
I just jumped the clutch relay as sugessted on another site, the clutch engaged. After about a min I heard the compressor make a wierd noise and it looked as though there was a fair amount of pressure released. (Air flow pushing dust off ground). Is this a bad sign?
And again Thanks for your help.
 
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Old Jun 6, 2011 | 08:03 PM
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That is a pressure release, that will happen when there too much freon.
 
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Old Jun 6, 2011 | 08:31 PM
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ok this time I tested the pink wire with the van on and got the 5v reading from the connector. How do I test if the transducer is faulty? Do I stick the paper clip in both DB And DG to find the reading?
 
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Old Jun 6, 2011 | 11:44 PM
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The only way to ck the transducer is replace it with a known good one or replace it, And hope.
 
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Old Jun 7, 2011 | 08:01 AM
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are the fans coming on when you jump the compressor and it starts to release pressure? That is a high pressure release valve and releases when pressure exceeds 550psi. The fans should have been running as fast as they could at that pressure.
 
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Old Jun 7, 2011 | 05:09 PM
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I'm pretty sure the fans were running while I jumped it, I'll check again. And as well I just went and picked up a transducer from junkyard that had a working ac unit. I will repost results later today. Thanks for the help.
 
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Old Jun 7, 2011 | 07:30 PM
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Hey master tech I did what you mentioned, I replaced the transducer and yes I did say "MAN I HOPE THIS WORKS!"
First I unplugged the negative to the battery, Second was took the intake off to get to the transducer, third was unscrewed the transducer. And for those who do read this post, the transducer screws off. When I called Chryslers they told me the system had to be vaccumed to replace the transducer. Another Money grab!!!! Anyways It dosen't, it has a seperate valve that is tied into the high side line.
Replaced transducer, connected battery, crossed my fingers and .......
Yeah it works now.
Engine code came up and now the vent blows cold on low but on high it is mixed warm and cold. The vents on the left and right are warmer then the center.
I will check codes and reply later. At least the clutch kicks on now!
 
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Old Jun 7, 2011 | 10:36 PM
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ok some good newz finally.
The check engine light was a rookie mistake, I forgot to reconnect the intake sensor. However the A/C was still blowing warm / Cold, I added another can of freon and took it for test drive. All I can say is brrrrrrrrrrrrrr...... Thanks goes to this forum for all the info available for a rookie to fix his own problems. Here is a small list of things I've done to this van since january, unfortunatly I have to sell now to buy a truck.
-New winter tires
-New summer tires
-New Starter
-New TCM
-New trailer hitch
-New Valve cover gaskets
-New TPS
-New MAP sensor
-New O2 sensor
-New muffler
-New spark plugs
-New Used fuel injection harness
-New used Pressure Transducer
-Oil change
-New battery
FOR SALE 2001 Caravan se 3.3L V6 $3000.00 Windsor Ontario.
Running at a combined total of highway and city ( $00.14 pkm) at $1.26per litre
 

Last edited by multimedia51; Jun 7, 2011 at 10:49 PM.
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Old Jun 7, 2011 | 10:39 PM
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>>>>>>
 

Last edited by TNtech; Jun 7, 2011 at 10:42 PM.
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Old Jun 25, 2011 | 11:44 PM
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Just thought I would bump this up again in case others are having similar problems.
 
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