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Old 06-02-2008, 09:14 PM   #1 (permalink)
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Crank pulley removal

So I'm trying to get my crank pulley off and so far I've accomplished the following:

1) Wear myself out

2) Bend the hell out of my biggest screwdriver

3) Nearly break my 3/8 rachet.

And still the crank pulley remains firmly attached to the car.

I have been attempting to hold the pulley still with my big screwdriver (jammed into one of the holes, holding against the oilpan flange)
Meanwhile a helper applies force to the crankshaft pulley bolt using my 3/8 rachet and a 2' cheater bar.
Once force is applied, I tap on it with a hammer. (cheap impact driver)

So, does anyone else have any suggestions for me?

I'll probably end up buying a 1/2 breaker bar tomorrow. But I'd really like to avoid having to rent a impact wrench and air compressor.

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Old 06-02-2008, 09:31 PM   #2 (permalink)
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Without immobilizing the crank about the only way to do it is with a strong impact gun. They're never in there anything beyond "OMG THIS IS HARD TO GET OFF!" which is some ungodly amount of ft lbs. I had to use a strong impact gun to get mine out. You're taking it off ENTIRELY? Are you taking off alternator/powersteering/ac entirely too?
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Old 06-02-2008, 09:37 PM   #3 (permalink)
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Air powered impact is the only way to win. It also helps to put a small amount of silicone on the bolt when re-installing it to prevent any oil leakage.
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Old 06-02-2008, 09:50 PM   #4 (permalink)
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Quote:
Originally Posted by koihoshi View Post
You're taking it off ENTIRELY? Are you taking off alternator/powersteering/ac entirely too?
I'm just taking it off to get at my leaky water pump. It'll be going right back on once that's all taken care of.

Quote:
Originally Posted by Johnny Mullet View Post
Air powered impact is the only way to win.
Grrr. That's what I was afraid of. That's gonna set me back....

I'm almost contemplating driving it to a shop to have that one stinkin' bolt removed. It's not like I even need the crank pulley to drive it back home (I am running the alternator beltless after all)
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Old 06-02-2008, 09:51 PM   #5 (permalink)
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Johnny is right on. An impact is pretty much necessary. If you don't have access to an air compressor electric impacts work alright too. Maybe they rent them locally?
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Old 06-02-2008, 09:53 PM   #6 (permalink)
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An impact gun is the only way I've seen them come off
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Old 06-02-2008, 10:29 PM   #7 (permalink)
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I'm lucky my local garage has been pretty good about stuff like this - I've dropped by once or twice with uncooperative nuts/bolts and they've run the air hose out and freed it for me on the spot. Must be my puppy dog eyes.
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Old 06-02-2008, 10:36 PM   #8 (permalink)
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Yes! An electric impact would also do the job!
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Old 06-03-2008, 12:53 AM   #9 (permalink)
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don't drive it with the bolt out, if that pulley moves and the timing belt jumps you have bent valves on your hands.

I have replaced a few Honda heads in my time, pretty easy but when your paying it costs money

and yeah as johnny said I have only seen those come off with an impact gun
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Old 06-03-2008, 08:04 AM   #10 (permalink)
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Impact, or a BIG breaker bar. I've done em on 2 Toyota trucks with a large 1/2" breaker bar and a 3 foot cheater pipe. Hard to get enough room to swing the whole thing though. 200+ ft-lbs plus Michigan rust equals "damn that's tough!".

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