question about fan clutch removal - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 14 (permalink) Old 05-14-2017, 11:34 PM Thread Starter
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question about fan clutch removal

Couple of questions to clarify fan clutch removal. I have an OBS truck, correct me if I am wrong. The nut is part of the fan clutch, correct? So when the clutch comes off the large nut is attached to the clutch. If I understand right since the clutch has right hand threads the nut on the clutch needs to turn to the right while the water pump pulley is held for the clutch to be removed. The reason I ask is that Alldatadiy states to turn the nut counterclockwise which I think would be tightening it. It's on tight it is not budging either way I turn it but I want to make sure I am removing it correctly.
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post #2 of 14 (permalink) Old 05-15-2017, 02:19 AM
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Re: question about fan clutch removal

Yes, the nut is part of the clutch. It turns counter clockwise from your perspective. They can be a real pain in the cornshoot. I generaly use an air hammer and a chizle when they get stuck.
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post #3 of 14 (permalink) Old 05-15-2017, 06:15 AM
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Re: question about fan clutch removal

Lect handed thread on those....u can get reasonably cheap removal tools from Northern, NAPA, A-Zone etc...two long wrenches just that size, some have a square on the end for 1/2" breaker bar......soak good, little heat, go....

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post #4 of 14 (permalink) Old 05-15-2017, 12:04 PM
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Re: question about fan clutch removal

I had to remove the waterpump from the engine, then clamped the whole assembly down to my flatbed and used a 4' breaker bar on the end of the wrench in order to break mine loose. Air chisel only bitched up the nut and this is after soaking and heat...... Next time I will just buy a new one...that was a real PITA

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post #5 of 14 (permalink) Old 05-15-2017, 01:08 PM
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Re: question about fan clutch removal

I just did my water pump last week. Thankfully my clutch just spin right off. Sounds like they can be bad. No room in there.

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post #6 of 14 (permalink) Old 05-15-2017, 11:33 PM Thread Starter
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Re: question about fan clutch removal

Quote:
Originally Posted by jamiesaun View Post
Yes, the nut is part of the clutch. It turns counter clockwise from your perspective. They can be a real pain in the cornshoot. I generaly use an air hammer and a chizle when they get stuck.
Never mind I see why it's so hard - I can see the marks from an air chisel.

Last edited by mrvmax; 05-15-2017 at 11:54 PM. Reason: got it
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post #7 of 14 (permalink) Old 05-16-2017, 12:11 PM
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Re: question about fan clutch removal

yes mine had been air chisseled before also, it would have been nice if they put anti seize on it before they spun it back on
I did so I'm hoping it comes off somewhat easier next time when I can afford to replace it!
Expensive bugger

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2000 E350 7.3, auto 2wd, 3.73, toy hauler camper conversion...researching 4x conversion
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post #8 of 14 (permalink) Old 05-16-2017, 03:35 PM
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Re: question about fan clutch removal

I put mine on with blue loctite.
I guess it helped seal out moisture, because it came off easy when I had to remove it.

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1979 chevy c30 dually, sm465, 373's? Converted to 6.2 diesel, pump turned up and advanced a hair.(wrecked)
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post #9 of 14 (permalink) Old 05-17-2017, 04:12 PM
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Re: question about fan clutch removal

It's Right hand thread, not left, so to loosen it, your wrench will have to spin towards the passenger side.

There are some really nice tools out there (I bought mine from Matco tools), that is an attachment for an air hammer. It's got the wrench slot in the tool and then an attachment to attach to the air hammer. It does not damage the nut on the clutch, and it comes off SUPER easy. Mine was on for 350,000 and it came off with one small hit of the air hammer.

I can get the part number for the tool if anyone needs it.

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post #10 of 14 (permalink) Old 05-17-2017, 06:25 PM
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Re: question about fan clutch removal

Cudnt sworn it was left hand when i had mine of.....but it has been a few yrs ago....sorry if i mislead

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