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11-03-2011, 11:15 AM
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#1
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Junior Member
Join Date: Nov 2007
Location: Nashville
Posts: 27
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Is it normal for the aux. fans to constantly cycle on and off when the ac is on? The air has never worked very good. I think this is something new it is doing.
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11-03-2011, 01:20 PM
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#2
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Senior Member
Workhorse Chassis Owner
Join Date: Jun 2006
Posts: 1,902
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Ricky,
If you have a Workhorse chassis, yes the aux fans cycle when the AC is on. They move a little air across the condenser and help make the A/C a little more efficient.
Dieselclacker
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11-03-2011, 02:05 PM
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#3
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Junior Member
Join Date: Nov 2007
Location: Nashville
Posts: 27
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It is a workhorse but the fans are cycling on and off about every 10 seconds
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11-03-2011, 06:34 PM
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#4
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Senior Member
Workhorse Chassis Owner Winnebago Owners Club
Join Date: Oct 2002
Location: Way down yonder, below New Orleans
Posts: 3,958
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Quote:
Originally Posted by Ricky
It is a workhorse but the fans are cycling on and off about every 10 seconds
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Ricky: "normally" the electric fans are running continously whenever the A/C is on AND the engine is up to operating temp. They should not be cutting in and out.
Are you verifying their on/off operation by observation or are you basing this on hearing the roar while driving?
Ed
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Itasca SC 2010 37F on W-24 WB248" stock + plug wires vent kit added.
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11-03-2011, 08:35 PM
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#5
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iRV2 Marketing
Winnebago Owners Club Workhorse Chassis Owner Coastal Campers Carolina Campers
Join Date: Jan 2000
Location: Conway, SC
Posts: 20,567
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Quote:
Originally Posted by Ricky
Is it normal for the aux. fans to constantly cycle on and off when the ac is on? The air has never worked very good. I think this is something new it is doing.
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May we please have your year, make and model. Thank you.
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03 Adventurer 38G, Workhorse W22
F&R Track Bars, Safety+ , Ultrapower, Allison UP Grade Brake, S&B CAI, Taylor Extremes, SGII-X Gauge
TST 507, Blue Ox, SMI, Koni FSD, CrossFire
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11-04-2011, 04:20 AM
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#6
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Junior Member
Join Date: Nov 2007
Location: Nashville
Posts: 27
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It is a 2004 National seabreeze. I am watching them while they are starting and stopping. At first I thought it was the compressor, but after taking the dog house cover off I saw it was not the compressor.
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11-04-2011, 05:31 AM
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#7
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Senior Member
Workhorse Chassis Owner
Join Date: Sep 2007
Location: st.charles mo.
Posts: 564
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Low freon. It cycles when the low presure switch turns the compresor on and stops when the compresor stops. You most likely have a leak.
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11-04-2011, 06:18 AM
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#8
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Junior Member
Join Date: Nov 2007
Location: Nashville
Posts: 27
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I thought that could be the problem but I wanted to make sure that the fans should not cut on and off like they are doing. Thanks for telling me.
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11-04-2011, 09:13 AM
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#9
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Senior Member
Workhorse Chassis Owner Monaco Owners Club
Join Date: Jun 2008
Location: Glendora Ca.
Posts: 822
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Ricky, If the compressor stays on the fans should stay on.
Mike
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2004 Monaco Monarch
Blueox, SMI, 1990 Wrangler YJ 
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11-04-2011, 09:25 AM
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#10
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Senior Member
Join Date: Jan 2011
Location: NY & FL
Posts: 838
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A cheap (about $25) charging adaptor with low pressure guage will tell you if you are low on refrigerant. WalMart or an auto parts store will have one.
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2008 Itasca Meridian 37H
2011 & 2012 Len & Pat's "One lap of America"
14K miles so far - Woo Woo! 
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11-04-2011, 11:02 AM
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#11
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Junior Member
Join Date: Nov 2007
Location: Nashville
Posts: 27
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I bought this coach in 07 and the dash air never has worked good. I have put some freon in it and thanks to this forum replaced the 'problem' valve. It did help a little but when I was changing the oil in the motor I noticed what the fans was doing. I thought I knew the answer but I wasn't sure.
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11-04-2011, 12:03 PM
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#12
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iRV2 Marketing
Winnebago Owners Club Workhorse Chassis Owner Coastal Campers Carolina Campers
Join Date: Jan 2000
Location: Conway, SC
Posts: 20,567
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Quote:
Originally Posted by Ricky
I bought this coach in 07 and the dash air never has worked good. I have put some freon in it and thanks to this forum replaced the 'problem' valve..
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It might be the time for you to put this system on a real machine and have it vacuumed down and recharged by a pro that knows the system. The AC is rather conventional and there really no rocket science involved. The change has to be right on I have found in order to return the best performance.
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03 Adventurer 38G, Workhorse W22
F&R Track Bars, Safety+ , Ultrapower, Allison UP Grade Brake, S&B CAI, Taylor Extremes, SGII-X Gauge
TST 507, Blue Ox, SMI, Koni FSD, CrossFire
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11-04-2011, 03:58 PM
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#13
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Junior Member
Join Date: Nov 2007
Location: Nashville
Posts: 27
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I am going to that when spring rolls around. I just wanted to be sure about the fans. Thanks
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11-04-2011, 04:45 PM
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#14
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Senior Member
Workhorse Chassis Owner Damon Owners Club
Join Date: Mar 2009
Posts: 8,078
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I notice fans coming on and off when I drive.. But I can't say I have ever connected the action of the fan to the A/C switch.
That said.. it is normal for the condenser fans to be on when the A/C is on. It may be I just do not hear them over other sounds.
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Home is where I park it!
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