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Old 06-19-2013, 05:49 PM   #1
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Electric fan conversion

My AC hasn't been working because I was low on freon. I was low because I modified my fan shroud and the condenser was not getting good circulation so it was blowing out freon. Anyway, I need to get some air flow across my condenser. I want to put in an electric fan. What's the best way to accomplish this? Thanks guys!

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Old 06-19-2013, 06:36 PM   #2
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I'm hanging on for this one, freon? It'll be fun to hear what the self proclaimed experts have to say on this one.. BTE. My Mpgs have gone way down because my cat isn't running hot enough. Any thoughts on aftermarket cat heaters?

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Old 06-19-2013, 07:05 PM   #3
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Quote:
Originally Posted by reissigree View Post
I was low because I modified my fan shroud and the condenser was not getting good circulation so it was blowing out freon



did you modify it by putting a hole in it?
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Old 06-19-2013, 08:27 PM   #4
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did you modify it by putting a hole in it?
Now be nice!!
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Old 06-19-2013, 09:28 PM   #5
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Freon low because i modified my shroud..... Shaking my head
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Old 06-19-2013, 09:41 PM   #6
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Originally Posted by Rubicondon53 View Post
I'm hanging on for this one, freon? It'll be fun to hear what the self proclaimed experts have to say on this one.. BTE. My Mpgs have gone way down because my cat isn't running hot enough. Any thoughts on aftermarket cat heaters?
Lol
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Old 06-19-2013, 09:46 PM   #7
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Originally Posted by reissigree View Post
My AC hasn't been working because I was low on freon. I was low because I modified my fan shroud and the condenser was not getting good circulation so it was blowing out freon. Anyway, I need to get some air flow across my condenser. I want to put in an electric fan. What's the best way to accomplish this? Thanks guys!
Hmm. So how did you come up with that conclusion?
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Old 06-19-2013, 11:04 PM   #8
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Sorr yI wasn't very clear, my mechanic said that my AC system was releasing freon because my condenser wasn't cooling it correctly because of the missing fan shroud.
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Old 06-19-2013, 11:07 PM   #9
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Either way he charged my system with freon for $20 so we'll see what happens.
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Old 06-19-2013, 11:08 PM   #10
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And by modify my fan shroud I meant removed it because I installed a MML
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Old 06-19-2013, 11:16 PM   #11
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Its a sealed system. Removing the fan shroud is only going to hamper your cooling system. $20 to recharge the system.... Was it one of those DIY deals, which really only eff up the whole cooling system.Sounds like you need a new mechanic!
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Old 06-19-2013, 11:22 PM   #12
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The AC system can only release freon from a leak or if someone cracks a line. If its released from the high side it comes out as a gas, ( which is whats gettin blown up yer ass by yer mechanic) or the low side which comes out as a liquid. Either way if the system gets run dry you have all sorts of problems... The desiccant in the receiver dryer going bad, the seals drying up.
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Old 06-20-2013, 05:11 AM   #13
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It's all BS,, your mechanic should be staked in an open field next to a fire ant hive..
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Old 06-20-2013, 07:02 AM   #14
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Don't know about jeep compressors but my wife had a PT Cruiser and the high speed on the electric fan quit working. When sitting idle for a period of time with AC on, the compressor would blow down like the relief on an air compressor. Fixed fan motor and no more blowdown. Yes, it was the AC compressor. I was under it when it happened. Scared the crap out of me.
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Old 06-20-2013, 09:08 AM   #15
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No, he charged it using an actual machine... He's just a guy we've known a long time so he helps us out.

@BigCrave that's exactly what mine is doing.
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Old 06-20-2013, 09:31 AM   #16
Knows a couple things...

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First, get that fan shroud reinstalled. It's not there for looks, it is CRUCIAL/CRITICAL to proper engine cooling. Without it in place, very little air will flow through the radiator except at highway speeds. And what that mechanic told you about the coolant loss due to insufficient air flow over the condenser was BS. The a/c system is completely sealed and it will not lose coolant under any conditions unless there is a leak.

And only convert to an electric fan if you want less air flow through the radiator and condenser, an electric fan will not create more air flow. The OE mechanical fan can move far more air than an electric fan can that will fit onto the radiatorr.
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Old 06-20-2013, 09:37 AM   #17
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Originally Posted by Jerry Bransford View Post
First, get that fan shroud reinstalled. It's not there for looks, it is CRUCIAL/CRITICAL to proper engine cooling. Without it in place, very little air will flow through the radiator except at highway speeds. And what that mechanic told you about the coolant loss due to insufficient air flow over the condenser was BS. The a/c system is completely sealed and it will not lose coolant under any conditions unless there is a leak.

And only convert to an electric fan if you want less air flow through the radiator and condenser, an electric fan will not create more air flow. The OE mechanical fan can move far more air than an electric fan can that will fit onto the radiatorr.
Thanks!
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Old 06-20-2013, 05:48 PM   #18
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Someone already said this but if the freon is not being cooled enough because of the fan shroud missing . The high side pressure will build up and blow out a relief valve on the compressor which would cause a freon loss.
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Old 06-20-2013, 06:13 PM   #19
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Someone already said this but if the freon is not being cooled enough because of the fan shroud missing . The high side pressure will build up and blow out a relief valve on the compressor which would cause a freon loss.
Pretty sure there's a high pressure switch that should be turning the compressor off before that happens.
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Old 06-20-2013, 10:00 PM   #20
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You need to get that fan shroud back on to get the proper cooling of the condenser. Also, if your compressor did blown down through the high pressure relief, you probably lost some oil along with you refrigerant.

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