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Replacing Gaskets..Need HELP QUICK!!!!!!!

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Old Sep 4, 2004 | 07:55 PM
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Post Replacing Gaskets..Need HELP QUICK!!!!!!!

I am in trhe process of replacing the timing chain cover gasket and the oil pan gasket and have run into a snag. I have everything taken off that needs to be excpet one thing. According to the Haynes manual,page 2B-6 sec.11 #7, I need to rtemove the "large bolt and washer retaining the vibration damper to the crankshaft." How do I do this? I have put the socket to the bolt but the whole mechanism turns. Do I need a second set of hands?

Any tips on replacing the oil pan gasket would be much appreciated too. Do I really need to jack the engine up off the mounts?
 
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Old Sep 4, 2004 | 08:27 PM
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Angry

As far as removing the bolt, I have always used a breaker bar and hit it sharply to jerk it loose. That has always worked for me. If you turn it slowly, it always turns the entire crank as you described.
 
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Old Sep 4, 2004 | 08:33 PM
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Just realized I left out some crucial info. It is a 1990 5.0l EFI Bronco with an auto tranny.
 
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Old Sep 5, 2004 | 10:31 AM
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I was just told that I need to use a harmonic balance puller to do the job. Is that true?
 
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Old Sep 5, 2004 | 10:40 AM
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once you get the bolt out you may need a puller to get the balancer to start coming out but i never have i just tap it lightly with a rubber mallet from the back and it usually comes out.if you cant get the bolt loose you may have to take off the small cover by the bellhousing and wedge the engine still with the fly wheel. a puller is the way to go, you can rent or borrow one from the auto parts store. or you can buy a universal puller for about 20 bucks.
 
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Old Sep 5, 2004 | 12:33 PM
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What I did with an engine hooked to an auto was to pull a spark plug and fill the bore with oil. Reinstall the plug and the engine doesnt go anywhere. You cant put enough oomph into that bolt to destroy anything.

I've heard that putting a length of rope into the cylinder works too, but I didnt want to try getting rope fibers into the engine.

Watchout, though. The oil's pretty messy when you go to remove it. And it'll smoke for a while when you start it up.
 
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Old Sep 5, 2004 | 01:45 PM
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Thanks for the help guys! I just got back from the parts store and bought a harmonic balance puller. I'll let you know how it goes!!!
 
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Old Sep 5, 2004 | 11:01 PM
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You might be able to get away with changing the oil pan gasket w/o lifting the engine. It requires much patience though as you have to pass the gasket by the oil pump and pickup. Wouldnt be a bad idea to go ahead and change the front main seal while you're at it, the one in the timing cover.
 
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