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Old 07-07-2016, 03:19 PM   #11
Bus Geek
 
Join Date: May 2009
Location: Columbus Ohio
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Year: 1991
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Chassis: International S3800
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Originally Posted by nomadbuka View Post
Oh wow this sounds amazing, saddly my day has taken another turn. Pulled over down town and noticed coolent leaking once again. Turns out my thermostat housing was damaged in the process so needs to be replaced... Oh and I finally identified my overheating problem, it's my fan clutch as you guys suggested so will need to get one air freighted up from Vegas tonight... There goes another $1500
Thanks for the tip I think I'll need a long hot soak in one of those to take my mind off things.
fan clutch shou;dnt be $1500.. I got mine from kit-masters.. its a biorg warner clutch... in my cooling thread you can see how I adjusted its temperature..
-Christopher
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Old 07-07-2016, 03:28 PM   #12
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$1500 for a fan clutch is nuts and a rip off! What engine is it again? Check the truck salvage joints and you can probably find one for a tenth that price.
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Old 07-07-2016, 03:30 PM   #13
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Thanks Chris. That's what has been happening to me exactilly. Slow driving is fine, but as soon as I'm on a highway around the 55 mark it can't keep up. Since I've owned it I havnt once heard this roar of the fan I have read about, it just runs at a smooth constant but not really enough for pulls or high speeds.
Removing the thermostat was enough to get me into SLC, now I just have to bite the bullet and do the repairs.
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Old 07-07-2016, 03:31 PM   #14
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Engine is the international 7.3l power stroke, or t44e
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Old 07-07-2016, 03:32 PM   #15
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I agree that a fan clutch shouldn't cost $1500, not even having a shop do it.
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Old 07-07-2016, 03:34 PM   #16
Mini-Skoolie
 
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$1500 was for parts to be air freighted up including new thermostat housing and 4x hours of labour at $100 p/h
I don't have tools and no mechanic so im no way competent to tackle this myself and exhausted from trying tempory fixes that seem to make things progressively worse
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Old 07-07-2016, 03:59 PM   #17
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Keep your chin up, buka. After the new clutch is in, it'll be smooth sailing. Keep us updated!
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Old 07-07-2016, 05:26 PM   #18
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Location: Vacaville, Ca
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Year: 1988
Coachwork: Crown / Pusher
Engine: 8.3 Cummins
I'd put in a electric one for around $150.00
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Old 07-07-2016, 06:59 PM   #19
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Join Date: May 2009
Location: Columbus Ohio
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Year: 1991
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Chassis: International S3800
Engine: DT360
Rated Cap: 7 Row Handicap
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Originally Posted by Stu & Filo. T View Post
I'd put in a electric one for around $150.00

depending on the engine there may not be an electric one available as a retrofit.. borg-warner does make a front air clutch now that is designed for retrofitting from a viscous clutch... the big issue is if the hub for the fan is the water pump shaft vs a timing gear driven water pump or an offset fan..

if the bus was built for an electric-air clutch (and has air brakes) then its not a bad swap but it can be a bad swap if its set up as viscous already..


to the OP!! is the grill area 1/2 radiator 1/2 turbo cooler? if so please tell your shop to adjust the on temperature of the fan clutch down a few degrees or you may have similar issues...

mine was pre-set at 170-175 degree air from the radiator.. I adjusted it to 150-155... now I get the fan roar whemn I see my dash temp gauge reach about 185 or so.. (thats when my bus isnt in Pieces..)
-Christopher
-Christopher
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Old 07-07-2016, 07:46 PM   #20
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What would be wrong with something like this???

https://www.summitracing.com/parts/der-16927
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