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gsmarquis
Dodge Dakota
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12/16/2002
16:18:48

Subject: 4.7 clutch/fan removal prob.
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ok everyone tells me the 4.7 clutch and fan removal take all of 30 secs. they said to put a wrench on the big nut behind the clutch and bang it a couple of times and the whole assembly would just unscrew from there....then take the assembly out thru the top.

what am i doing wrong here, what do i use to brace the h20 pump pulley? the nut wont even budge



kevster
Dodge Dakota
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12/16/2002
21:00:35

RE: 4.7 clutch/fan removal prob.
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It does come off, what I did was, use a 12" crescent wrench, look at the pulley see the small holes on the side of pulley? use a light. I slipped a round screwdriver into the hole of pulley held on tight, turn wrench counter clockwise while looking down at fan, use leather gloves you may get a bloody knuckle if you hit the fan blade, give the wrench a good hit to the left(counter clockwise) it should be loose.



kevster
Dodge Dakota
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12/16/2002
21:01:22

RE: 4.7 clutch/fan removal prob.
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It does come off, what I did was, use a 12" crescent wrench, look at the pulley see the small holes on the side of pulley? use a light. I slipped a round screwdriver into the hole of pulley held on tight, turn wrench counter clockwise while looking down at fan, use leather gloves you may get a bloody knuckle if you hit the fan blade, give the wrench a good hit to the left(counter clockwise) it should be loose.



Texas Todd
Dodge Dakota
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12/17/2002
09:57:14

RE: 4.7 clutch/fan removal prob.
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What Kevster said.

There's lots of ways. Easiest, is to try and knock it loose first, I used a pipe wrench, short piece of wood on the wrench, and a whack with a hammer, came right off.

My friends, we used a screwdriver as 'the' kevster said, put it thru a hole in the pulley, put it against the H20 Pump, and then whacked with the hammer, one good little whack, and his came right off.

By far the cheapest, easiest noticable mod!

There are people who make it a little harder, like getting the spanner wrench for the pulley, or removing the belt, putting a strap oil filter wrench on the pulley, etc. etc. Why go thru all that? Don't make something so easy more difficult, unless you're one of those people with just too much time on their hands!



Waltherone
Dodge Dakota
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12/17/2002
17:20:54

RE: 4.7 clutch/fan removal prob.
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I used the screwdriver as well, but I ran into a problem I might as well inform you of just incase you hit it too.

If the screwdriver isn't quite thick enough, when you move the wrench the pulley will still turn, and then the screwdriver literally shifts to the side in the pulley (changes to a different angle) and just slips right past the lips on the water pump.

What I actually did was stand up on my front bumper , stuck a screwdriver into the hole on the left side (positioned the pulley by force a couple inches to get it where I wanted ) and held on for dear life, pulling upward on that screw driver. Then I put the wrench on, let go of the wrench (it stood there by itself of course) and took a hammer and started banging the crap out of it. I was banging and banging and nothing, just when I was abot to give up I felt the hammer move forward more and knew the bolt broke loose.

ust do whatever it takes to hold that pulley. My screwdriver I used is bent now. I don't care, it wasn't really nice or anything anyway :)



gsmarquis
Dodge Dakota
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12/17/2002
18:35:27

RE: 4.7 clutch/fan removal prob.
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I got my clutch and fan off and drove it around for about an hour....i did notice a slight improvement but i pulled into the local home depot parking lot and watched my temp gauge after idling for about 10 mins the temp was steady in the middle...it scared me that is was getting over the normal temp after my 180 install (little over the first line on temp gauge) so i put the clutch/fan back on.

I guesss i am chicken but i fear for my first vehicle over 20,000 bucks.



Lab Rat
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12/17/2002
18:40:39

RE: 4.7 clutch/fan removal prob.
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gs, don't feel back, I had the same fear. Stuck mine in the bed faor about a month under a bungee cord. Drove it all last summer, in Texas with 95-100 daily highs.

Don't sweat it, ditch the fan!

LR



gsmarquis
Dodge Dakota
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12/17/2002
18:48:09

RE: 4.7 clutch/fan removal prob.
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lab-rat, did you do the 180 thermo install? did you also do the new inline thermo switch on the stock electric fan?



Lab Rat
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12/17/2002
19:21:29

RE: 4.7 clutch/fan removal prob.
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No, I have a 160 but am changing to a 180 since I keep setting a code (P1281). No switch, the PCM turns the fan on at 210 and I've never gotten that hot. Besides, in a 14 lb system the boiling point is about 262 DEG F; lots of headroom.

LR



Bob W
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12/17/2002
22:00:35

RE: 4.7 clutch/fan removal prob.
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I just took my fan back off due to code. I put it back on last summer when it was hot out (had the Fan in the back for the just in case problem)
never had a problem the electric fan only came on in the worst trafic but never got to hot.
Lab Rat I thought it was 2 deg's for 1 psi. 240?

Gibson headers, Gibson Cat-back, Edelbrock IAS shocks, K & N drop in, 180 stat, Jet stage II chip, ARE Lid

John W.
Dodge Dakota
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12/17/2002
22:33:20

RE: 4.7 clutch/fan removal prob.
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What kind of gains with the removal of the fan, 180 thermo install have you seen.



kevster
Dodge Dakota
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12/18/2002
18:29:37

RE: 4.7 clutch/fan removal prob.
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Yo! Bob W. nice Dak you have.. did you see or feel any improvements with the Jet stage II module, I like mine in my 4.7 automatic. Also what did you mean by removing fan due to code??



Lab Rat
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12/18/2002
19:31:50

RE: 4.7 clutch/fan removal prob.
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Bob, I think that is a general guide, but it is not a linear function, at least above 212. Need to check the old steam tables...

LR



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