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Discussion Starter · #1 ·
I let a friend borrow my TJ and it came back leaking radiator fluid. Looks like it blew the bearing on the water pump. Every video or discussion I see on removing the fan shows a large nut that unscrews the fan. From what I see, that appears to be missing on mine. Maybe that’s how it broke to begin with? I just see a shaft going into the pulley and four bolts holding the pulley onto the water pump. Any ideas on how to get this thing off of there without that nut? The whole fan is rocking back and forth which leads me to believe that bearing is bad. Trying to include image.
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3E13391F-FEA7-4459-9287-D2E742E09195.jpeg
 

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Bad water pump bearing.

Just remove the 4 nuts and the fan/clutch assembly comes off. This is the older style mounting.
 

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Discussion Starter · #3 ·
Ok. Thanks! So just because I’m curious and am claiming ignorance, did the earlier TJs come with this style and they just changed later? I am wondering if somebody did this after market. I am the third owner. It’s a 97 so... pretty early TJ.
 

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The 97s are similar in some ways to the YJs. That is how my 92 YJ is mounted.

It's actually easier to deal with than the large nut style.
 

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Discussion Starter · #6 ·
Just thought I would report that all is well on this project. Fairly easy replacement of the water pump after fan removal. I agree... it did appear to be easier than dealing with that large nut after watching people struggle with it on videos. Thanks for the help!
 

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FYI for people who do have the large nut (like my 05), I held a box wrench on one of the water pump pulley bolts, placed a pipe wrench on the big nut so it was mostly horizontal. Held the box wrench with one hand pulling up and tapped the handle of the monkey wrench the opposite way (down) with the hammer to spin the nut. Was easy to get off and easier to get on.
 

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Something is wrong with that picture. Holding a "fan blade bolt" won't stop the water pump from rotating.
Corrected... Water pump pulley bolt...
 
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