crankshaft pulley wobble - Subaru WRX Forum
 
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post #1 of 8 Old 05-11-2010, 05:58 AM Thread Starter
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crankshaft pulley wobble

the other day i noticed that my crankshaft pulley wobbles when the engine is running. it wasnt just the pulley being loose ### the nut in the middle moved with it. i thought that shouldnt move? is it a problem that it does?
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post #2 of 8 Old 05-11-2010, 08:07 AM
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Th nut will move because it is attached to the crankshaft which moves.

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post #3 of 8 Old 05-11-2010, 09:30 AM Thread Starter
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yeah but shouldnt it just spin in place? it moves up and down too
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post #4 of 8 Old 05-11-2010, 09:33 AM
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Yeah it definitely shouldn't wobble at all....

Is it the stock pulley or aftermarket? If it's aftermarket did the bolt go in dead straight when you put it on?

-Chris
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post #5 of 8 Old 05-11-2010, 09:42 AM Thread Starter
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its the stock pulley and i havent done anything to it. ive had the car for 20k miles now. idk if it was doing it when i got it or not
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post #6 of 8 Old 05-11-2010, 10:45 AM
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It's probably just your imagination. Every subaru I've seen looks like the pulley wobbles.
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post #7 of 8 Old 05-11-2010, 03:14 PM Thread Starter
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ok so i tried to take a video of it today but my camera phone wasnt cutting it. i tried revving it to see what would happen and it smoothed out at higher rpms. does that sound normal?
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post #8 of 8 Old 05-12-2010, 08:08 AM
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Did you try to tighten the bolt?

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