12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

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Old Nov 6, 2009 | 02:46 PM
  #1  
ltr450's Avatar
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From: Elimsport, PA
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how do i get my fan off the front of the engine
 
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Old Nov 6, 2009 | 05:20 PM
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There is a large nut on the backside of the fan. It is left hand thread, which means you push down on the drivers side to loosen it.
I had to clamp a vise-grip on mine (not too tight) and put the end of a 2X4 against it, and whack the other end of the 2X4 with a hammer.
There are other methods.
 
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Old Nov 6, 2009 | 06:35 PM
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they also sell a wrench for it at the parts store, got mine at o'reilleys!!!
 
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Old Nov 6, 2009 | 11:42 PM
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Originally Posted by Racer9
There is a large nut on the backside of the fan. It is left hand thread, which means you push down on the drivers side to loosen it.
I had to clamp a vise-grip on mine (not too tight) and put the end of a 2X4 against it, and whack the other end of the 2X4 with a hammer.
There are other methods.
Yeah, you can also use a punch to break it free. Give it a good rap and it should come free.
 
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Old Nov 6, 2009 | 11:59 PM
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or if you have an air hammer it will take it off
 
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Old Nov 7, 2009 | 12:49 AM
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Oh, now theres an idea.
 
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Old Jan 2, 2010 | 03:44 PM
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The air hammer method works,but be sure to use a blunt tip or you will destroy the threads and never get it apart! My large wrenches are at work,so I used a cresent wrench and a BFH! I have also pulled the whole assembly and put it in my bench vise.
 
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Old Jan 2, 2010 | 03:54 PM
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i was out on a towing trip and had to change a fan. i bought a thin wrench from auto store. a quick wrap of a hammer (several) will work on the wrench.
 
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Old Jan 2, 2010 | 05:50 PM
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You can also take the 4 10mm bolts off that bolt the whole assembly to the block.
 
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Old Jan 5, 2010 | 12:29 PM
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From: frankfort, KY
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i took a wrench and ones of those rubber strap oil filter wrenchs to hold the pulley and it was a sinch. the rubber strap oil filter wrench is what i use on every pulley now. you wouldnt believe how good it holds
 
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