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Fan Clutch Nut Help Needed

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Old Apr 28, 2008 | 12:16 PM
  #1  
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Fan Clutch Nut Help Needed

My local mechanic told me that the fan clutch nut was a left hand thread (clockwise to remove), but my service book say's it's a right hand thread. I'm having trouble getting it loose, which way is correct?

Also, what special tools are available to hold the fan pulley to get the but loose? I tried a giant C clamp, padded with a discarded belt. It slipped. I saw a reference to a chain wrench but haven't found one locally. Any tips here?

Thanks, I read all I could find by searching already.

2000 Ford F350 CC, LWB, 7.3 PSD.
 
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Old Apr 28, 2008 | 12:29 PM
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The Fan is Standard thread (right handed), I used a strap wrench to hold the fan pully then put a large wrench on the nut and gave it a good SMACK with a hammer and it came loose!
Rich
 
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Old Apr 28, 2008 | 12:31 PM
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Have a look at this, it might help you figure this out. click me

Good luck.
 
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Old Apr 28, 2008 | 01:04 PM
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Thanks Rich and Rick, great information!

I'll have at it tonight and see how it goes.

John
 
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Old Apr 28, 2008 | 01:15 PM
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i use a c-clamp and clamp it to the top of the pulley when you turn the nut it will contact the heater hose outlet on the top of the water pump and hold it in place..works like a champ
 
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Old Apr 28, 2008 | 04:18 PM
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will the fan clutch wrench set i have from the older diesels work on the newer strokers??

i never thought about this before but i sure don't want to get a big surprise on a Sunday afternoon when the wrench set don't work while trying to do a water pump
 
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Old Apr 28, 2008 | 04:37 PM
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Blackjeep, I went to NAPA and bought a universal pully holder/fan clutch holder (part# 3471) worked like a champ. Make sure you leave the pump on the engine until you get the nut off.
 
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Old Apr 28, 2008 | 04:46 PM
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Originally Posted by tjc transport
will the fan clutch wrench set i have from the older diesels work on the newer strokers??

i never thought about this before but i sure don't want to get a big surprise on a Sunday afternoon when the wrench set don't work while trying to do a water pump
Should be a 1 7/8" wrench, open end. Or big a$$ crecent wrench to take the fan off.
 
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Old Apr 28, 2008 | 04:54 PM
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with the belt still on..i took out 2 fan bolts..put in 2 longer bolts and left them sticking out some..i stuck a small flat bar in between the bolts and let it rest against the AC...used a pipe wrench and it came right off....
 
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Old Apr 28, 2008 | 08:54 PM
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Thanks all..

I got the nut off. I used a big C clamp with an old belt to protect the pulley. I have a 1-7/8" wrench yso I used it. With a couple of hammer blows it was loose. I changed the pump, put everything back together and started to fill it up.

So, while the engine was warming up I noticed that the elbow flange where the lower hose connects to the pump was leaking. I tried to tighten it a bit more but it kept leaking. So I drained the system (again), checked the flange and the rubber gasket, they looked OK. So I decided to put in back together with a little blue silicone when I dropped one of the bolts! I have looked everywhere for the bolt and can't find it. Now I'm worried that it may have dropped down the lower hose or jumped into the fan shroud... Tomorrow night I'll pull the lower hose all the way off and pull the fan shroud loose to check. I don't care about the bolt I just want to make sure it's not anwhere important!!!

Thanks again for the support, I appreciate it.
John
 
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