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How do I get rid of the slight vibration?

Tiny
EDWEEZY21
  • MEMBER
  • 2005 HONDA CIVIC
  • 109,000 MILES
Put an aluminum lightweight flywheel on my car and now has a slight vibration especially during idling. I'm assuming its because I lost the momentum from the OEM flywheel which was twice the weight. My question is if theres anyway to counter balance this without taking the transaxle out again and putting an OEM flywheel?
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Thursday, April 26th, 2012 AT 9:15 PM

3 Replies

Tiny
EDWEEZY21
  • MEMBER
  • 92 POSTS
I even replaced the front motor mount which eliminated some other problems I was having unrelated to what we are talking about.
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Thursday, April 26th, 2012 AT 9:36 PM
Tiny
CARADIODOC
  • MECHANIC
  • 33,867 POSTS
If your vibration is gone at higher engine speeds, that rules out a mismatch with an externally balanced engine and a flywheel without the counterweight attached. Four-cylinder engines naturally vibrate more because there's fewer power pulses per crankshaft revolution, and the mass of the flywheel smooths those pulses out. Short of removing the trans-axle and putting the heavier flywheel back in, there isn't anything you can do externally to remedy the vibration
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Thursday, April 26th, 2012 AT 9:52 PM
Tiny
EDWEEZY21
  • MEMBER
  • 92 POSTS
Yes the vibration goes away when speed starts picking up. Yes and I knew about how an 4 cylinder opposed to a 4 will make a smoother crankshaft rotation I was hoping there was a way to fix it without putting the OEM flywheel back in. I really don't want to drop my transaxle again.
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Friday, April 27th, 2012 AT 3:31 PM

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