FAQ Info on A/C: please read if not working - Page 4 - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
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post #46 of 242 (permalink) Old 07-28-2003, 01:33 AM
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take it to a shop to get the vacuum pulled. A good vacuum pump costs big bucks and getting all the moisture out of a R-134a system is very important. It should only cost you $45-$55
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post #47 of 242 (permalink) Old 07-28-2003, 11:10 AM
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Thanks!
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post #48 of 242 (permalink) Old 08-04-2003, 03:07 PM
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are the transducers the same from say a neon or stratus? cus when i went to the junk yard everysingle transducer was cut out of the LS'
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post #49 of 242 (permalink) Old 08-10-2003, 04:07 PM
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Could someone please explain to me how to jump across to start the AC compressor running so I can make sure it is charged?????
It hasn't worked since we had the car, and I decided to give it a try finally.
There is plenty of pressure, pushed in the low side valve to make sure there was pressure there.

EDIT: Did the jumpering, the compressure kicked in, I thought it was gonna choke the motor at first...heh
Tomorrw I will start with junkyards looking for a transducer......

Last edited by Slagathor; 08-10-2003 at 05:56 PM.
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post #50 of 242 (permalink) Old 08-12-2003, 02:22 AM
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glad it worked for ya. choked the motor down cuase their is no idle bump up when the ECU doesnt activate the compressor.
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post #51 of 242 (permalink) Old 08-13-2003, 05:48 PM
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another question for those who know:

Is it necessary to flush the a/c system if I want to replace the a/c clutch?

Thanks
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post #52 of 242 (permalink) Old 08-14-2003, 10:33 PM Thread Starter
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Alright, I have a couple pics of when I changed out my transducer. They arent that great, but it gives you and idea of what it looks like and where it is located. There is a picture in the above posts of it that actually has a square around it, but it still isnt that great of a picture. Here is another


and here is a pic of the new transducer that I installed. The electrial connector is much more beefier and looks to withstand a lot more abuse than the old one.


Keep in mind, if your a/c doesnt work and you are having problems with your fans kicking on and off, the transducer is more than likely your problem. You can check this by either jumping the 12V across the a/c clutch relay, or by wiggling the transducer under the car while it is running and on stands with the a/c on to see if it kicks on or off.


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post #53 of 242 (permalink) Old 08-15-2003, 02:00 AM
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no...you shouldnt even need to open the system for such a procedure. But if youve taken the compressor off and left the system open for a long peroid of time.... a flush is in order becuase PAG oil like to absorb large amounts of water..make acid which makes leaks and then break down chemically and trash the compressor.
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post #54 of 242 (permalink) Old 08-16-2003, 09:04 AM
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ok good... thats what i wanted to hear

I havent taken anything apart yet - I just came to the conclusion that my clutch is at fault for my a/c not working.

Thanks!
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post #55 of 242 (permalink) Old 08-16-2003, 11:09 PM
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its probably not the clutch...test for power at the clutch to determine if it is the clutch. if there is power and its not engaging then its the clutch. The pressure tansducer fails a lot on these cars which would cause the clutch not to engage...also it could be a wire, relay, fuse..etc.
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post #56 of 242 (permalink) Old 08-18-2003, 04:17 PM
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yep, I checked for power issues. Clutch is getting power and I compared it to my '01's clutch. It appears that when I engage the a/c, the outer ring engages but the inner ring does not. Through comparison I noticed that the rubber ring in between the two is worn out and broken on my '97. So the conclusion I came to is that my clutch is fubar.
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post #57 of 242 (permalink) Old 08-18-2003, 10:14 PM Thread Starter
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You could probably pick up a new clutch at the junkyard for not too bad of a price. I'm sure that new ones are pretty expensive and that the clutch burning out in these cars isnt TOO common a problem. Maybe in the hot areas of the country but i doubt too many other places.
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post #58 of 242 (permalink) Old 08-19-2003, 04:15 PM
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I found a new clutch online for $100. But maybe I could find something at a junkyard... shall see...
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post #59 of 242 (permalink) Old 08-19-2003, 11:35 PM
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I would get you one out the yard here, but there are no treps with em left here :( anywho...the compressor used in the trep is used in many other cars...so look up the model and look it up based on the compressor model...should be able to find other cars you can pull one off
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post #60 of 242 (permalink) Old 09-05-2003, 08:07 AM
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Just coming in the middle of the movie, but;
Do you observe the compressor engage, indicating that the fused clutch engage voltage is good? (fuse'B' in the power dist.block.)
The relay coil votage comes from fuse 21 in the dash block.
The pressure transducer is not a switch- be CAREFUL shorting out plugs! (I discovered this the hard way) Anyway, the black/light blue wire is sensor ground- which isn't REALLY vehicle
ground- just a common data path for all the sensors.
The dark blue wire is transducer SIGNAL- a 5v or less input to
the(gasp) PCM.
The 5v. signal voltage comes from the PCM on the remaing violet/white wire, into the transducer,which (I believe) is a pressure-variable resistor, giving the PCM data on the changing
system pressure.
the 'open' (disconnected) state may or may not confuse the PCM,
but I think jumping the full 5v signal to the PCM would definately
exceed range limit (voltage) it's expecting to see. Damn thinking boxes!
Hope this helps

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