4.0L Underdrive Pulleys Install - Page 2 - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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  #26  
Old 02-05-2011
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Working on it now... Taking lots of pictures and takin notes. And all the f'in pain in the a$$ issues i'm running into will be documented to make it easier for anybody trying to do this after me.
Nice! Sounds like a fun time! lol
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  #27  
Old 02-11-2011
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I have to pick up the crank bolt from the stealership monday...
Do you by chance have the part # on that crank bolt?

EDIT: By chance is it E7RY6A340B ?

Last edited by logan03CO; 02-11-2011 at 09:43 PM.
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  #28  
Old 02-12-2011
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Do you by chance have the part # on that crank bolt?

EDIT: By chance is it E7RY6A340B ?
Yep, that's the correct part number for the crank bolt.

Update on this btw... the harmonic balancer remover kit didn't have long enough bolts... I think they are a 1.25 thread and 80mm long... You need at least a 100mm, but I think you can get a 120mm length that will work better. I used a different kind of puller, a timing gear puller I believe, and actually stripped the f*ck out of the bolts cuz they were cheap... didn't get the pulley off, and had to put the truck back together. Needless to say I was pissed off at that point. I have found a guy that I am going to go see next weekend, take the truck apart to the point of getting that pulley removed... and then pay him $50 to remove it and install the next one.

On a positive note... I did take a lot of pictures, and I am writing a How-to... it's done up to the point of removing the pulley at least. Will finish it after next weekend. And by then.. I will have my relays to do my e-fan as well. Thank god for long weekends.
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  #29  
Old 02-12-2011
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Originally Posted by RLong31 View Post
...the harmonic balancer remover kit didn't have long enough bolts... I think they are a 1.25 thread and 80mm long... You need at least a 100mm, but I think you can get a 120mm length that will work better.
Didn't the underdrive come with two bolts to use for this? My remover kit only has 80mm also, but some reason I thought the pulley came with longer ones to use.

Thanks for the confirmation on the bolt part number!
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  #30  
Old 02-12-2011
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It did... but I wasn't paying attention, lol. I had the pulley and the bolts sitting in the box in the cab while I was messin' with the crappy tool I bought/rented. I noticed after I stripped out the cheap bolts that I had them.
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  #31  
Old 02-12-2011
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It did... but I wasn't paying attention, lol.
So the bolts that come with it would have been long enough (100mm)?

Sounds like you are having a fun "adventure"!!
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  #32  
Old 02-12-2011
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Yep, they would have been long enough, had I remembered they were in the box, lol. And yea, I've had the truck apart twice, getting stuck at various points due to some complication or lack of tool/part. One being that stupid bolt. I got it out using the "starter bump" method... and btw... I re-used the stock one for now. I can limp it along until I get the new pulley in and use the new bolt then.

The how-to will list all parts, tools, and everything else you will need to have before you start. I am trying to make it as easy as possible for anyone who ever wants to attempt this in the future.
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  #33  
Old 02-12-2011
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The how-to will list all parts, tools, and everything else you will need to have before you start. I am trying to make it as easy as possible for anyone who ever wants to attempt this in the future.
Cool...I look forward to checking it out! Thanks for all your work on it, I'm sure it will help a lot of people out!
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  #34  
Old 02-12-2011
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Cool...I look forward to checking it out! Thanks for all your work on it, I'm sure it will help a lot of people out!
X2 ... This sounds like a real nightmare ... You better gain atleast 15 HP for all the hell you've gone through.
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  #35  
Old 02-12-2011
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Haha, it has been a bit of a nightmare. But it's the first time I've ever tried to do work like this before and would have gone more smoothly if I had known some of the problems I was going to run into before I started. Would have saved a lot of headaches and a lot of trips to the parts store(s). Like I said, I'll be stoked if I gain 1-2 mpgs from the pulleys. A little extra free hp would be cool, if it's noticeable. Even more excited if I get an additional 1-2 from the e-fan. We'll see tho.
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  #36  
Old 02-12-2011
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It sounds like a great mod, I hope you do a write up on your impressions once you have them on your truck a week or two, as well as when you first get them on.
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  #37  
Old 02-13-2011
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I sure hope this mod helps save fuel ... and if it does, I'm gonna be all over this because my 4X4 with the 5-speed tranny is thirsty. (I thought the 5-speed was going to be easier on gas)
I'm looking forward to some pictures and your How-To write up.
(So, Why are you pulling the timing chain cover off again?)
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  #38  
Old 02-13-2011
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I'm only removing and replacing the crankshaft pulley and seal. I am not removing the timing chain cover at all. My tensioner and idler pulley were bad, and my crank pulley has a rattle because the metal ring has come loose inside. And since i am replacing those things, i decided to go for an upgrade.
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  #39  
Old 02-13-2011
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this sounds like a project... i thought this was a simple thing to do? Also, i defiantly want to know the gain you get out of this! I have heard mixed things about pulleys
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  #40  
Old 02-24-2011
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Originally Posted by MikeDevo View Post
this sounds like a project... i thought this was a simple thing to do? Also, i defiantly want to know the gain you get out of this! I have heard mixed things about pulleys
^^ X2

Can we get an update? Please
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