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post #1 of (permalink) Old 08-14-2003, 12:38 AM
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ok! i've got a vibration thats driving me nuts! i've got an 89 f-150 with a 302, the engine was rebuilt about a year and a half ago. anytime i put the engine to 3 grand or above it starts to vibrate in any gear. i put the truck in neutral and put the engine up above 3 g's and it vibrates. the only thing i could think that would cause the vibration would be the flywheel but i'm not too sure. any ideas??
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post #2 of (permalink) Old 08-14-2003, 02:22 AM
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Re: vibration

sounds similar to when my fan clutch went out
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post #3 of (permalink) Old 08-14-2003, 08:56 AM
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Re: vibration

Did you overfill your tranny? This only applies to autos.
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post #4 of (permalink) Old 08-14-2003, 08:58 AM
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Re: vibration

i had the same problem but at lower RPMs. its was my damper on the front of the crankshaft.
easy to replace. and not that expensive.

post #5 of (permalink) Old 08-14-2003, 01:30 PM
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Re: vibration

I'm jumping on the "fan clutch" band-wagon as well.
(at least, it's the easiest to check at this point)
Do a search, and a couple R&R procedures will come up. [img]images/graemlins/wink.gif[/img]

Ah heck,
Here's one.
And, another.

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post #6 of (permalink) Old 08-14-2003, 06:29 PM
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Re: vibration

Oh man, when my clutch fan went out a coupel weeks ago, i had a wicked vibration! With the hood up, and the truck idling, i could see the whole engine shaking!...and then i looked at the fan and saw it was spinning crooked! [img]images/graemlins/shocked.gif[/img]
1 clutch and 15 minutes wrenching time, and the vibes are gone! [img]images/graemlins/cool.gif[/img]
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