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How to change Procharger pulley

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Old 01-14-2009, 10:07 PM
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Default How to change Procharger pulley

Hey all,

Let's pretend that I'm stupid. Okay, now let's pretend that I don't know how to swap the Procharger pulley. Does anyone know where I can find some instructions on this just in case this fiction ever becomes reality?

I've got the blower mounted, and I've got a hex key on the intake side and an end wrench on the pulley side, and I'm giving it a little tug, but I'm afraid I'll mess something up. Is there another way to lock this thing up so it won't turn? Is there a torque rating for the bolt when I install the new pulley?


Thanks in advance for curing my fictional stupidity.
Old 01-14-2009, 11:01 PM
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I've always used an old belt, tightened it on the pulley, and grabbed onto it with big pliers or vice-grips. This holds the pulley in place to crank the bolt loose.

When I reinstalled the bolt, I used red Loc-Tite (medium strength) and torqued it to yield as much as it would hold with the belt trick.

I spin my engine to 7000 RPMs and maxed out my blower at 68k RPMs for years, and never had a problem with the pulley coming loose.
Old 01-15-2009, 07:52 AM
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I take my blower off and use an impact......just don't get air tool happy
Old 01-15-2009, 07:54 AM
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Originally Posted by AFASTYZFR1
I take my blower off and use an impact......just don't get air tool happy
What he said blip it off with a Impact.

Brent
Old 01-15-2009, 07:56 AM
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Originally Posted by AFASTYZFR1
I take my blower off and use an impact......just don't get air tool happy
Impact wrench would be the last thing I would try. A belt wrench wrapped around the pulley does just fine for me.
Old 01-15-2009, 02:17 PM
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impact works great. I still wrap a old belt around the pulley to hold it makes me feel better but not needed.
Old 01-15-2009, 02:30 PM
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i use the belt trick
Old 01-15-2009, 07:45 PM
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I think I'll try the belt trick, but I'll go with a belt wrench in the future so I don't have to do it in the car.

Thanks for all the responses, guys.
Old 01-15-2009, 09:08 PM
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No prob, good luck.
Old 08-16-2010, 02:52 PM
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Originally Posted by ls1290
A belt wrench wrapped around the pulley does just fine for me.
I've tried this with no luck. How do you guys prevent the entire unit from moving around? Even trying to hold it down with one hand allows too much movement to break it free.

Last edited by MadIceV8; 08-16-2010 at 03:33 PM.
Old 08-16-2010, 03:32 PM
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I've always used an impact on mine. That's what ProCharger told me to do years ago.
Old 08-17-2010, 11:52 PM
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the impact gun worked fine for me also
Old 08-18-2010, 12:51 AM
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impact gun just when your tightening it back don't screw it up
Old 08-18-2010, 04:43 AM
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Tried a air gun with no success, and was worried about possible damage from the sudden force.

I had to get creative when taking mine off. The entire screw was covered in locktite... and the pulley/shaft also had loctitie on it. Had to use a combination of a old belt, vise grips, and a vise to get enough leverage and hold the entire assembly down.
Old 08-18-2010, 08:52 AM
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Excessive Locktite is a common issue. Heat the bolt up with a propane torch before using the impact. (Another recommendation from ProCharger.)
Old 08-18-2010, 09:52 AM
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I removed the entire head unit and used a impact gun to get the bolt out. Worked like a charm! then I used a propane torch to heat the pulley up and then pried it off with a large screw driver. It only took a few minutes.
Old 08-18-2010, 09:56 AM
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Yea, I always used an impact on mine, but good to know you got it off. Little bit of lock-tite on the new one!

Which pulley are you going to?
Old 08-18-2010, 05:28 PM
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KS91Z28 - Hmm didn't think about heating it up and then hitting it with the impact.

30th t/a - I wouldn't recommend using a large screw driver to pry it off. I would expect damage to the seals by doing this.

'Trust' - Ended up getting a 3.0 Richard Racing pulley. Adding a larger air filter and going to pressure test the tubes to check for leaks.



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