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Harmonic balanced question

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Old 01-28-2017, 04:04 PM
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Default Harmonic balanced question

I just replaced an old harmonic balancer on my 97 xj. At idle there still seems to be some wiggle coming from that Area. When I rev the engine it seems to smooth out. What gives? Don't know if it matters but I kept the same crankshaft key that' was already in it. Didn't replace.
Old 01-28-2017, 09:29 PM
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Old 01-29-2017, 04:51 AM
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bent crank ?
Old 01-29-2017, 07:44 AM
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Originally Posted by scooterc
bent crank ?
Doubtful...

OP needs to be more descriptive than "wiggle".
Old 01-29-2017, 02:33 PM
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Originally Posted by cruiser54
Doubtful...

OP needs to be more descriptive than "wiggle".

Basically when watching the balancer there is a wobble. I figured replacing this part would correct that and make the whole serpentine system run smoother. Should I have replaced the key when doing this? I just reused the one already on. Maybe I didn't tighten her down enough?
Old 01-30-2017, 06:29 AM
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Originally Posted by freeworld71
Basically when watching the balancer there is a wobble. I figured replacing this part would correct that and make the whole serpentine system run smoother. Should I have replaced the key when doing this? I just reused the one already on. Maybe I didn't tighten her down enough?
So, is the belt running to one side of the pulleys and getting worn?

Why did you replace the old balancer?

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