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Old 10-17-2013, 11:43 AM   #15
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Originally Posted by allure99 View Post
Thanks for your reply, my dash air doesn't work so it is never on, the vent might have been on sometimes but it is usually off. My high running temp is 180, but this dust storm happens even in the morning when leaving the campground, I fell bad for the people I dust and my coach gets dirty, my battery area is always covered in dust
The 180 operating temp suggests a problem with the fan controller or associated components. There is a coolant temp sensor, an air intake temp sensor, and a tericery (sp) switch for the A/C and vent controls. Any one of these sensors can turn the fan to high causing the storm.

First thing I would do is make sure you have 12 VDC to the controller. It should be mounted on the rear side of the radiator housing. A two piece square box with a couple of hydraulic hoses and an electrical connection is what you are looking for. Clean that electrical connection also. The ignition has to be on to see the 12VDC. Off hand, I don't remember which wires to check for voltage, look at your chassis schematic. From what I have heard, the hydraulic valve doesn't go bad but you might as well give it a couple of "love taps" with a hammer while the coach is running just to make sure it isn't stuck .

A new controller can be found for under 600 bux. If you have the part number, and order by part number, it will come programmed for your setup. Cummins Coach Care wants to charge for the "programming" which is already done. That part number will get you the complete assembly (controller& valve).

If you go to the CC Yahoo groups and look in the photo section, you will find pictures of the controller insides. I took the time to remove the potting material just to see what makes it tick. In the photos, you can see very clearly, some cold solder joints. Poor workmanship on the Sauer Danfoss side.
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Old 10-17-2013, 11:45 AM   #16
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Originally Posted by JohnFreyja View Post
Larry,
There are many posts about the fan controller and here is one link..
Yahoo! Groups
If you send me your e-mail address I can send you a PDF on the testing procedure.
I replaced mine on my previous 05 CC Inspire and it made a big difference.
> Thanks for the response, my email is lpope12@tampabay.rr.com I appreciate the help, Larry
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Old 10-18-2013, 10:11 PM   #17
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Originally Posted by allure99 View Post
I am new to this site, looks like a good place for RV information. I have a 1999 Country Coach with a 330 Cummins. My engine fan is almost always engaged, when I drive on the gravel roads in the camp ground I make a huge dust storm. I had it serviced at Cummins southeast, they checked with C/C and were told the fan runs at 1500 rpm at its lowest, which they said mine was reading, so should be working correct, I've never had this with other diesel coaches I've had and have not seen other coaches do this, is this a Country Coach thing, this is the only thing I dislike with this coach. I appreciate any input, thanks Larry
The Air Temperature Sensor or the Coolant Sensor can cause this problem, both sensors are fairly easy to replace. You can test for the failure of these sensors using procedures found on Country Coach Owners Yahoo Group, in the files folder there is a pdf file with the info. I have attached a pdf of the procedures to this post.

Ray
2000 Intrigue 11040
Attached Files
File Type: pdf fan.pdf (437.0 KB, 55 views)
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Old 11-13-2013, 05:53 AM   #18
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Call Source Engineering 541 343 0293 in Oregon. They will straighten it out and tell you what to do.


joe
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Old 01-17-2014, 12:11 PM   #19
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Call Source Engineering 541 343 0293 in Oregon. They will straighten it out and tell you what to do.


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Joe,

It is much cheaper just to replace the air sensor to see if that fixes the problem, one can replace it themselves without using a pricey service center and the sensor is cheap to buy. Less than $40 the last time i bought one. How much does that Source Engineering gadget set you back?

Ray
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Old 01-18-2014, 09:16 AM   #20
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Originally Posted by CntryCoachRV View Post
Joe,

It is much cheaper just to replace the air sensor to see if that fixes the problem, one can replace it themselves without using a pricey service center and the sensor is cheap to buy. Less than $40 the last time i bought one. How much does that Source Engineering gadget set you back?

Ray
Source has a kit to get rid of the electronics. My own unit was old enough that it was already non electronic but somehow the factory hooked the hydraulic lines up backwards and screwed the thermovalve at the radiator. The new thermovalve was $500 but problem solved and a mile to the gallon better with the fans not running wide open.

joe
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