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Air Conditioner Problem
After enjoying my Dodge Custom Van for several years, suddenly the air
conditioner packed it in I haven't had time to check it out yet, but maybe those with considerable experience can serve as a sounding board. The compressor comes on for about 2-3 seconds, then cycles off. Constantly. Holding my hand on the lines to and from the compressor, I feel neither cool nor heat. Would low refrigerant charge cause this? I have been afraid it might be high head pressure, but would appreciate any comments. I am ready to sell this unit, and get something more in keeping with my ancienité. Just need a little validation. |
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#3
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Air Conditioner Problem
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#4
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Air Conditioner Problem
"Steve" > wrote in message ... > wrote: > > > After enjoying my Dodge Custom Van for several years, suddenly the air > > conditioner packed it in > > Year, model, compressor type? It is a 1997, Custom built on a B2500 chassis, 318 cid FI engine. Compressor seems to be the TRF-105. Im going to take good look to see if I can spot a leak, then put the gauges on it. I am also having some coolant loss, which I dont believe had anything to do with the AC problem. The hurricane drove a pecan limb through the front grill, but it didnt seem to come close to either radiator or condensor. More later. |
#5
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Air Conditioner Problem
On Wed, 09 Nov 2005 00:26:43 GMT, > wrote:
>After enjoying my Dodge Custom Van for several years, suddenly the air >conditioner packed it in > >I haven't had time to check it out yet, but maybe those with considerable >experience can serve >as a sounding board. > >The compressor comes on for about 2-3 seconds, then cycles off. Constantly. >Holding my hand on the lines to and from the compressor, I feel neither >cool nor heat. > >Would low refrigerant charge cause this? Yes, a possible cause. Sometimes a pressure is enough in the system to start the compressor, but once its runing, it expects a higher pressure, and not meeting it, it shuts off. Get a buddy( Qualifed) with a manafold to verify this. Many auto places won't check without paying for a full AC check upfront. hth, tom > >I have been afraid it might be high head pressure, but would appreciate any >comments. > >I am ready to sell this unit, and get something more in keeping with my >ancienité. Just need >a little validation. > |
#6
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Air Conditioner Problem
"The Real Tom" <Tom @ www.Love-Calculators.com> wrote in message ... > Yes, a possible cause. Sometimes a pressure is enough in the system to > start the compressor, but once its runing, it expects a higher > pressure, and not meeting it, it shuts off. > > Get a buddy( Qualifed) with a manafold to verify this. Many auto > places won't check without paying for a full AC check upfront. > > hth, > > tom I will do that. I dont have gauges or equipment anymore, and have more conscience than just to give it a dose of 134a. The coolant loss, mentioned previously, was only about a cupful, and I believe it was only incidental. I dont drive this unit much anymore. Thanks to all. |
#7
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UPDATE: Air Conditioner Problem
Thanks to all who calmed my unease on this issue. I hated the idea of $600
for a compressor, system washout, recharge, etc... And as with many things, when the diagnosis is made, the fear is worse than the disease. I took off the cap from the low pressure side to attach the manifold, and immediately saw bubbles from the valve. Just a leaker, which I hope I can resolve by tightening, and topping off the refrigerant. |
#8
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UPDATE: Air Conditioner Problem
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#9
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UPDATE: Air Conditioner Problem
The valve was a little loose. I tightened it slightly and the bubbling
stopped. Hope this is all that was needed. I charged 12 ounces of 134a, and the compressor is now staying on and cooling. The suction side pressure is still a bit on the low side, but I will not charge further until I see how it is going to hold up. |
#10
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UPDATE: Air Conditioner Problem
Hi,
I wonder whether there was some cooling felt from the system even with so little compressor circulation ? I think I had the same problem, and also had a low coolant pressure diagnosed. But the system cooled the air just enough to accept the condition for a while. Peter > schreef in bericht . net... > The valve was a little loose. I tightened it slightly and the bubbling > stopped. > Hope this is all that was needed. > > I charged 12 ounces of 134a, and the compressor is now staying on and > cooling. The suction side pressure is still a bit on the low side, but I > will not > charge further until I see how it is going to hold up. > > > |
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