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#2412333 - 12/02/17 03:57 PM 97 Ram 2500cooling fan removal question
3wracing Offline
mopar

Registered: 01/24/05
Posts: 456
Loc: northeast pa
Does anyone have the size of the nut that holds the clutch fan on to the water pump? any tricks for getting it off?

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#2412358 - 12/02/17 05:01 PM Re: 97 Ram 2500cooling fan removal question [Re: 3wracing]
stumpy Offline


Registered: 01/19/03
Posts: 28991
Loc: Grand Prairie,Texas
It threads off in a counterclockwise direction.
Get the longest chisel or heavy standard screwdriver you can find and while the belt is still on, set up the chisel on the left edge of the nut and use a heavy hammer to give it a sharp smack. It sould break loose pretty easy and spin right of by hand the rest of the way.

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#2412541 - 12/02/17 11:18 PM Re: 97 Ram 2500cooling fan removal question [Re: stumpy]
rhad Offline
mopar

Registered: 08/19/03
Posts: 646
Loc: garnett kansas
1 7/16
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#2412617 - 12/03/17 08:36 AM Re: 97 Ram 2500cooling fan removal question [Re: 3wracing]
3wracing Offline
mopar

Registered: 01/24/05
Posts: 456
Loc: northeast pa
Thankyou

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#2412659 - 12/03/17 10:48 AM Re: 97 Ram 2500cooling fan removal question [Re: 3wracing]
savoy64 Offline
top fuel

Registered: 09/07/11
Posts: 1762
Loc: colorado
the diesel threads are opposite----since you didnt mention what the motor was......

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#2412748 - 12/03/17 03:37 PM Re: 97 Ram 2500cooling fan removal question [Re: savoy64]
3wracing Offline
mopar

Registered: 01/24/05
Posts: 456
Loc: northeast pa
gas . so its right hand threads correct?

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#2413044 - 12/04/17 10:37 AM Re: 97 Ram 2500cooling fan removal question [Re: 3wracing]
savoy64 Offline
top fuel

Registered: 09/07/11
Posts: 1762
Loc: colorado
gas---right------- diesel left....stumpy is right on the chisel hit---i use an air chisel----most wrenches too fat to put on the nut---there is a special tool.....


Edited by savoy64 (12/04/17 10:38 AM)

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#2413355 - 12/04/17 09:47 PM Re: 97 Ram 2500cooling fan removal question [Re: 3wracing]
poorboy Offline
master

Registered: 01/19/03
Posts: 6193
Loc: Freeport IL USA
I just use a big set of channel locks. Grab the nut tight, smack the end of the handles. The ones I've loosened were not that tight. Gene

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#2413387 - 12/04/17 10:50 PM Re: 97 Ram 2500cooling fan removal question [Re: savoy64]
SALEM1912 Offline
mopar

Registered: 03/09/07
Posts: 527
Loc: Southeast Pa.
Originally Posted By savoy64
the diesel threads are opposite----since you didnt mention what the motor was......


Yep found that out the hard way!

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#2413497 - 12/05/17 08:29 AM Re: 97 Ram 2500cooling fan removal question [Re: 3wracing]
J_BODY Offline
I Live Here

Registered: 04/30/03
Posts: 11350
Loc: aZLiViN
FYI not all the Cummins are LHT. Believe they changed that with the common rail in 03 (IIRC)... beware smile

I have a long piece for my air chisel that knocks them right off.

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#2417888 - 12/13/17 09:58 AM Re: 97 Ram 2500cooling fan removal question [Re: 3wracing]
360view Offline
master

Registered: 01/18/06
Posts: 4319
Loc: USA
It is officially a 36 mm.

I have shimmed english wrenches with a flattened out piece of lead plumbing solder to get a tight fit, and also with aluminum can metal.

As said above a quick whack with a 2 lb hammer usually is all it takes to loosen it.

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#2419303 - 12/15/17 09:41 PM Re: 97 Ram 2500cooling fan removal question [Re: stumpy]
383man Offline
Too Many Posts

Registered: 01/19/03
Posts: 26624
Loc: Balt. Md
Originally Posted By stumpy
It threads off in a counterclockwise direction.
Get the longest chisel or heavy standard screwdriver you can find and while the belt is still on, set up the chisel on the left edge of the nut and use a heavy hammer to give it a sharp smack. It sould break loose pretty easy and spin right of by hand the rest of the way.



Having the right tool is nice but as Stumpy said this works as I did it a few times myself. I had an old big screwdriver blade that was about 2 to 3 ft long and the handle broke off years earlier so I used it like a chisel and it worked great for this. Like was said make sure you get it near the edge so it hits its force in the right direction and usually one good hit with a nice size hammer did it for me. Ron


Edited by 383man (12/15/17 09:42 PM)
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#2420065 - 12/17/17 08:00 PM Re: 97 Ram 2500cooling fan removal question [Re: 383man]
ahy Offline
master

Registered: 01/22/07
Posts: 7514
Loc: IN
The "put a wrench on it and whack it with a hammer" (in the correct direction!) has usually worked for me. Except with a Durango. For some reason locktite was applied to to the threads. After all else failed I fabricated a holding tool with pins. That did it. No locktight on re-install. Kinda like the factory tool?

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