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A/C won't cool

B

beus

New User
Our 2018 Branson 7845 A/C will not take freon. We put it in and about the time it is starting to register, we hear a noise (like air coming out somewhere) and the gauge goes back to 0. We don't see any coolant dripping anywhere. And even when the gauge got up to where it was almost full, the A/C never got colder.
We'll talk with the dealer today but thought we'd try here to see if anyone else has had this problem before.
Thanks -
Sue
 
Loss of refrigerant at that rate should be easy to find. look the entire system over carefully for signs of an oil leak. Refrigerant oil is carried
along with the liquid/gas and in many failed systems, the oil appears as a marker where the leak is located. Don't put more refrigerant in it as that
just wastes the product and is expensive. As radical as the leak appears to be, you are likely to need the system assessed by a professional AC
technician. They will use electronic or other means to detect leaks, and fix it. Jim
 
My 2007 (bought new) Branson 6530C didn't need any servicing until a couple of years ago. My problem was the high pressure
hose from the compressor across the front of the engine over to the condenser inlet had a clamp to hose failure....wasn't hard to find
as (JA pointed out) the compressor oil was on the hose adjacent to the clamp....dead giveaway.
 
I am a do-it-yourself guy, but if an A/C system is leaking that bad, it really needs to be serviced by a technician. Not only will the tech find the leak, but after repairing it, will evacuate the system of any air or humidity that got inside (which it certainly did), and then put the proper charge of refrigerant & oil in. Unless you have all the A/C service equipment on hand, it will be less expensive to have the tech do it.

One charge of refrigerant will last forever in a properly maintained system. The mechanical components may fail (compressor, evaporator, etc.) but the refrigerant never wears out.

On a tractor that new & nice, it is hopefully still under warranty or should be repairable for a few hundred dollars.
 
There is a major leak. Should be easy to locate, just shut everything off and listen and look for it. Should be an oily residue along with the refrigerant gas.

Once fixed it will need to be vacuumed and recharged to the proper level. R134 is very picky about the charge level. Overcharge it and the cool drops dramatically.
 
(quoted from post at 05:22:51 06/14/21) I am a do-it-yourself guy, but if an A/C system is leaking that bad, it really needs to be serviced by a technician. Not only will the tech find the leak, but after repairing it, will evacuate the system of any air or humidity that got inside (which it certainly did), and then put the proper charge of refrigerant & oil in. Unless you have all the A/C service equipment on hand, it will be less expensive to have the tech do it.

One charge of refrigerant will last forever in a properly maintained system. The mechanical components may fail (compressor, evaporator, etc.) but the refrigerant never wears out.

On a tractor that new & nice, it is hopefully still under warranty or should be repairable for a few hundred dollars.
Click to expand...


It is under warranty but everyone is cutting hay this week so getting a tech out here isn't going to be quick and easy. We've got a call in to the dealer but no call back yet. We'll keep looking for any oil leak.
 
(quoted from post at 18:26:48 06/14/21)
(quoted from post at 05:22:51 06/14/21) I am a do-it-yourself guy, but if an A/C system is leaking that bad, it really needs to be serviced by a technician. Not only will the tech find the leak, but after repairing it, will evacuate the system of any air or humidity that got inside (which it certainly did), and then put the proper charge of refrigerant & oil in. Unless you have all the A/C service equipment on hand, it will be less expensive to have the tech do it.

One charge of refrigerant will last forever in a properly maintained system. The mechanical components may fail (compressor, evaporator, etc.) but the refrigerant never wears out.

On a tractor that new & nice, it is hopefully still under warranty or should be repairable for a few hundred dollars.
Click to expand...


It is under warranty but everyone is cutting hay this week so getting a tech out here isn't going to be quick and easy. We've got a call in to the dealer but no call back yet. We'll keep looking for any oil leak.
Click to expand...

OK, you'll be without A/C for a week or so. Be sure to keep the AC switch set to "off" so that the compressor does not engage and attempt to run with no oil in the system. The tech will be able to find the leak easily. I would guess a ruptured high pressure line which will simply be replaced, followed by a vacuum to empty the system and then a re-charge with the proper refrigerant and oil. I would not attempt any repair myself, as frustrating as it is.
 
(quoted from post at 12:57:10 06/14/21)
(quoted from post at 18:26:48 06/14/21)
(quoted from post at 05:22:51 06/14/21) I am a do-it-yourself guy, but if an A/C system is leaking that bad, it really needs to be serviced by a technician. Not only will the tech find the leak, but after repairing it, will evacuate the system of any air or humidity that got inside (which it certainly did), and then put the proper charge of refrigerant & oil in. Unless you have all the A/C service equipment on hand, it will be less expensive to have the tech do it.

One charge of refrigerant will last forever in a properly maintained system. The mechanical components may fail (compressor, evaporator, etc.) but the refrigerant never wears out.

On a tractor that new & nice, it is hopefully still under warranty or should be repairable for a few hundred dollars.
Click to expand...


It is under warranty but everyone is cutting hay this week so getting a tech out here isn't going to be quick and easy. We've got a call in to the dealer but no call back yet. We'll keep looking for any oil leak.
Click to expand...

OK, you'll be without A/C for a week or so. Be sure to keep the AC switch set to "off" so that the compressor does not engage and attempt to run with no oil in the system. The tech will be able to find the leak easily. I would guess a ruptured high pressure line which will simply be replaced, followed by a vacuum to empty the system and then a re-charge with the proper refrigerant and oil. I would not attempt any repair myself, as frustrating as it is.
Click to expand...

We heard back from the dealer and he came out today. Compressor is bad. He is ordering one and we should be good to go soon (after we're done with hay sadly). All good. Thanks for all the remarks.
 
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