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post #1 of 22 Old February 16th, 2013, 04:47 PM Thread Starter
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Fan/pulley quick help

Need some fast help please and thanks in advance. Doing a underdrive conversion today and I'm trying to pull the fan off to give me some room but can't seem to figure it out - newb I know but how does it come off? I removed the small coil piece figuring it would slide off but it won't. Do I need to remove the pulley screws first and then the rod slides out? Pics attached Fan/pulley quick help-imageuploadedbyag-free1361051220.188516.jpgFan/pulley quick help-imageuploadedbyag-free1361051232.987853.jpg


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post #2 of 22 Old February 16th, 2013, 05:23 PM
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I would have just unscrewed the 4 bolts on the pulley side and left the fan clutch alone man. You need to unbolt the 2 bolts on top that hold down the shroud then unbolt the 4 bolts on the pulley that hold the fan on there, then manuver the fan out through the bottom by pulling the shroud up a bit which gives it the clearance.



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post #3 of 22 Old February 16th, 2013, 05:31 PM
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Like mentioned, 4 bolts on fan that holds it to the water pump. Then remove the shround bolts (two on top) and pull the two out the top at the same time. After you pull those 4 bolts, you need to 'pop' the fan free by pulling it off the snout of the water pump. It will most likely be on there pretty good. Don't slam it to hard forward into your radiator. You'll see what I mean when you get to that point, lol.

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post #4 of 22 Old February 16th, 2013, 05:36 PM Thread Starter
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Fan/pulley quick help

Yeah I figured out I should do the pulley side first and I put the fan bolts back in. Now the problem I'm having is keeping the pulley from turning to wrench the bolts off since there is not enough room for the smallest ratchet. Any tricks?


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post #5 of 22 Old February 16th, 2013, 05:37 PM
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Hold the fan lol. Thats what I do.



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post #6 of 22 Old February 16th, 2013, 05:43 PM
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Or if you must get another wrench and put it on one of the other bolts and pull opposite directions until you have them all broke loose enough.



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post #7 of 22 Old February 16th, 2013, 05:49 PM
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Breaker bar between fan shaft and bolt head.

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post #8 of 22 Old February 16th, 2013, 07:17 PM Thread Starter
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Fan/pulley quick help

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Originally Posted by shamrock81887 View Post
Or if you must get another wrench and put it on one of the other bolts and pull opposite directions until you have them all broke loose enough.
Thanks that's what ended up doing it. Holding the fan it would still turn but in the end I got it out and about to put everything back together. Sorry guys sometimes after a few hours of things I hit a mental wall and should take a break and just calm down and think it through.


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post #9 of 22 Old February 16th, 2013, 07:37 PM
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Glad I could help man.



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post #10 of 22 Old February 16th, 2013, 09:25 PM Thread Starter
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Fan/pulley quick help

Ok so after all that work taking the majority of the front of engine compartment off I finally got to the point of installing the first new pulley. So I hand turn in all the bolts and low and behold none of my tools will work to torque them down because the heads of the bolts are tight up against the pulley wall. What kind of design is this for god sakes? The only solution I can think of is to go to the hardware store tomorrow and find some bolts the same length and diameter thread but with a smaller head. That should work right?

Second question: on the bottom drive pulley the bolts were really hard to get free. While wrenching on them to get them loose the entire bottom drive would turn. Is that ok? Will it mess with my timing or anything? I know the numbers are on that for timing so it makes me nervous.


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post #11 of 22 Old February 16th, 2013, 09:33 PM
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Dunno about the first part of the question, maybe you just have some thick walled sockets. If the only way to get to the bolts is by socket then you may just need a thinner socket, if you can fit a wrench in there than that may be your best bet. But on your second question don't worry about it, it's not gonna mess with your timing or mess anything up. I did the same thing when I replaced my harmonic balancer, I did notice a ticking noise once I got everything back together and started it up which scared the living shit out of me but it went away after a couple of revs.



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post #12 of 22 Old February 16th, 2013, 11:14 PM Thread Starter
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Fan/pulley quick help

Thanks sham - yeah there is no way to fit a wrench in there and I'm pretty sure my sockets are normal sized as I tried both sets - I will figure it out by new bolts or just find a way to work them in tight enough


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post #13 of 22 Old February 16th, 2013, 11:27 PM Thread Starter
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Fan/pulley quick help

Did some reading around the web and found a few entries about having to get new belts due to the smaller pulley size so that's what I'm going to do. Thanks for all the input.


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post #14 of 22 Old February 16th, 2013, 11:28 PM Thread Starter
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Fan/pulley quick help

Bolts


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post #15 of 22 Old February 17th, 2013, 01:41 AM
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Mine have always came with allen head bolts, but I've always only bought the same set each time. And speaking of belt, you may need a new one of them too, seriously. Having the motor turn won't affect anything as your distributor is turning with it. No worries man.

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post #16 of 22 Old February 17th, 2013, 10:24 AM
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Yes, if you bought them used, then someone kept the bolts. Your originals wont work. You need to go buy some 3/8" allen head socket bolts, 1" long at the hardware store. I buy them in bulk because cust always buy them used and never get the bolts, so I charge them for them.

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post #17 of 22 Old February 17th, 2013, 10:30 AM
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Oh and easiest way to break water pump pulley bolts loose is to do it before belt comes off or use a pipe wrench, open the jaws just far enough apart to slide over the edge, tip wrench opposite of direction the you,re turning the wrench, and adjust as necessary.
No, turning the crank pulley doesnt hurt anything. And grabbing the fan blade on a viscous drive fan? Lol itll turns.

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post #18 of 22 Old February 17th, 2013, 01:43 PM Thread Starter
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Fan/pulley quick help

Quote:
Originally Posted by nxcoupe View Post
Yes, if you bought them used, then someone kept the bolts. Your originals wont work. You need to go buy some 3/8" allen head socket bolts, 1" long at the hardware store. I buy them in bulk because cust always buy them used and never get the bolts, so I charge them for them.
Just read this now but guess what I bought at the hardware store this morn! I went through all the bolts until I decided those would work - 3 bucks a piece but I had a gift card from ace so it all worked out.


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post #19 of 22 Old February 17th, 2013, 01:52 PM Thread Starter
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Fan/pulley quick help

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Originally Posted by FastStang91Lx View Post
Mine have always came with allen head bolts, but I've always only bought the same set each time. And speaking of belt, you may need a new one of them too, seriously. Having the motor turn won't affect anything as your distributor is turning with it. No worries man.
Should I get a different size?


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post #20 of 22 Old February 17th, 2013, 01:55 PM
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Quote:
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Should I get a different size?


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You'll need to figure that out yourself, depending how much your pulleys changed will determine it. Run a piece of string the same route your belt will run, measure the length. Spend money accordingly
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