How do i remove the clutch fan from the water pump? - JeepForum.com
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post #1 of 18 Old 11-16-2011, 06:04 PM Thread Starter
jeep3000gt
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How do i remove the clutch fan from the water pump?

Ok I can't seem to remove the clutch fan from the water pump pully. Do u have to hold the pully while turning the fan?

image-1840770227.jpg

This is on the 4.0. Also what size wrench fits that nut? And if I have I hold the pully what tool do I need?

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post #2 of 18 Old 11-16-2011, 07:04 PM
Cirruslydakota
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Yikes, I can't quite remember the size off the top of my head. I want to say its 1 5/16" ill have to go look in my toolbox to be sure. Anyway, if you have access to a air hammer it'll make this job a snap. If not you'll need a wrench and a good hammer and patience.

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post #3 of 18 Old 11-16-2011, 07:25 PM
Sohcvtec1995
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you might want to go rent a fan clutch removal kit.has 2 wrenches one to hold the clutch/fan in place, the other to get the nut off.
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post #4 of 18 Old 11-17-2011, 08:09 PM Thread Starter
jeep3000gt
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Where could I rent a. Kit like that?
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post #5 of 18 Old 11-17-2011, 09:17 PM
drrm123
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A couple of options would be a strap wrench from sears to put around the pulley and use a adjustable wrench on the nut, or get some flat stock of metal and make a half arc drill two holes with same spacing as bolts on pulley. Make handle about 1 1/2 ft to 2ft long. http://www.sears.com/craftsman-2-pc-...p-00945570000P

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post #6 of 18 Old 11-17-2011, 09:21 PM
Sohcvtec1995
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post #7 of 18 Old 11-29-2011, 12:06 PM
specia1k
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I believe if you leave the serpentine belt on, place an adjustable wrench on the fan nut and tap/bang counter clock wise, it will release. I saw a video for replacing a water pump and thet's what they did.
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post #8 of 18 Old 11-29-2011, 02:25 PM
1AAdam
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X2 i am pretty sure that's how it would come off. that's how i have replaced them in other vehicles. the pulley may still slip with the belt on it esp if u hammer it but it would prob stay put for u.

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post #9 of 18 Old 11-29-2011, 03:13 PM
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when I did my water pump I just jammed an old screwdriver into one of the small holes on the pulley to hold it still and wacked the wrench holding the nut with a big *** hammer and it broke free. I figured I was replacing the pump anyway so i wasn't worried about damaging the pulley. Prob not the most conventional way but it was quick and it worked.
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post #10 of 18 Old 11-30-2011, 01:29 PM Thread Starter
jeep3000gt
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I'm replacing the fan clutch and the water pump. I read somewhere that I have to remove the radiator and Trans cooler lines to do this? I have the 4.0 i6
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post #11 of 18 Old 11-30-2011, 10:12 PM Thread Starter
jeep3000gt
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Okay I got the clutch fan wrench but i can't seem to get the bolt off. Do u put the wrench on the bolt and turn it counter clockwise if your facing the jeep? Do I also need a tool to hold the water pump pully?
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post #12 of 18 Old 02-05-2017, 07:48 AM
Tobeornottobe
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I stuck a screwdriver threw hole on the pulley and a wrench on nut couple bangs and off it came. I drained coolant threw drain valve and boy was I surprised when I tapped water heater off and coolant all over the place😞
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post #13 of 18 Old 02-06-2017, 09:09 AM
Mattyjm
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I'm pretty sure that's a 36mm nut. If you're standing in front of the Jeep looking straight at your motor, the nut will be turned counterclockwise to remove it from the water pump. Hope this helps you, buddy.

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post #14 of 18 Old 02-06-2017, 04:00 PM
jeepsterpitt
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36mm is the correct size and if that nut has been on there for a decade it will be a royal PITA to break the rust free without locking the WP up somehow. My buddy and I had to whack the hell out of his to get it to come off.

I greased the threads on mine when I did the WP replacement and the GM replacement fan so in the future if I needed to take it back off to do the rad I could just tap it and it would come free.
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post #15 of 18 Old 02-06-2017, 09:36 PM
acgenrich6777
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If you have the belt on. Leave it on. This will help you when taking the bolts off. Get the breaker bar or ratchet and put it on the tensioner pulley. instead of loosening the belt make it a little bit tight and with your free hand and the correct size wrench, take off the bolts holding the fan clutch on. Its a bit tricky but can be done. Keep a couple bandades nearby just in case. Oh and a beer.
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