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Heating & Cooling 3rd Gen Dodge Ram Heating & Cooling Problems and Questions.


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  #1  
Old 07-11-2010, 12:41 AM
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Default AC Problem!!

Just got home a few hours ago from Myrtle Beach SC, damn 11 hour ride sucked! Few weeks back I noticed the AC wasn't working the greatest so I bought some freeon and filled it up, afterwards with the truck still idling and the AC on max it got cold and I considered it job done.

Now after driving to , around, and from South Carolina, it's only cold while idling and up to 1500rpms, anything above that just sucks. I'm running the 93 tune with the predator, not sure if the settings for the tune turn the AC off after certain rpms or whatnot. Any help suggestions are appreciated!!
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Old 07-11-2010, 12:45 AM
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No . It sounds like you may have a leak .
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Old 07-11-2010, 01:00 AM
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How would I go about finding this said possible leak?
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Old 07-11-2010, 01:05 AM
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I would suggest taking it somewhere and let them fix it. I know a lot of people who attempt to fix a compressor or a leak and end up breaking something in the process(bolts, hoses, clamps, etc). However, if you are mechanically inclined and careful, you should be ok.
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Old 07-11-2010, 05:14 AM
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Quote:
Originally Posted by gtfloyd View Post
I would suggest taking it somewhere and let them fix it. I know a lot of people who attempt to fix a compressor or a leak and end up breaking something in the process(bolts, hoses, clamps, etc). However, if you are mechanically inclined and careful, you should be ok.
I seriously doubt you'll find any clamps in the the a/c system. Advising someone that they will be fine working on an a/c system so long is they are mechanically inclined is just plain stupid. Have you ever seen someone accidentally vent R134a into their face?
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Old 07-11-2010, 01:54 PM
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Look for oily spots on the condensor , the lines or components . There are leak detectors also available from tool sales men and parts houses . Their rather expensive . You can also inject dye into the system then with special equipment pinpoint the leak . Have you even put any guages on it ?
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Old 07-11-2010, 02:27 PM
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Quote:
Originally Posted by Remerson228 View Post
I seriously doubt you'll find any clamps in the the a/c system. Advising someone that they will be fine working on an a/c system so long is they are mechanically inclined is just plain stupid. Have you ever seen someone accidentally vent R134a into their face?
No, I havent seen anyone do that but I have recharged my AC without incident. I have seen people try to remove the compressor and break the bolt off. Now he cant get the compressor out because he doesn't have a drill small enough to get up under the dash with an easy-out. If you have a friend who knows what they are looking at and how to do it, I don't really see the harm. I learned a lot from it and I had never messed with an AC system before.
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Old 07-11-2010, 02:34 PM
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Well for starters, overcharging an A/C system can cause as many problems as an undercharged system. The compressor isn't under the dash, it's mounted to the front of the engine. Might be time for a new "friend who knows what they are looking at".
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Old 07-11-2010, 02:44 PM
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This was in a 98 Pontiac Grand Prix, not a Ram. He "swirved" to miss a drunk driver..I think he fell asleep and hit the guard rail. So he needed new driver side body work, radiator and he jarred a lot of stuff loose.Actually, what would be something that would bounce around and rattle when you turned on the compressor? If you ran the air without the comp. on it would be fine. Whenever we turned the defroster or AC on it would start shaking and it looked like it was working itself loose. This was the thing under the dash, maybe I thought it was a compressor and I'm wrong.
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Old 07-11-2010, 02:48 PM
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Sounds like the evaporator might have gotten knocked loose.
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