Do I need the 4 donut wheel that was attached to the middle of the front drive axle? What was it for?

Tiny
SYMBOL MAN
  • 2004 KIA RIO
  • 322,000 MILES

In doing an oil change I noticed that in the middle of the front drive axle, there was a small rubber wheel dangling from the middle of the axle, worn with age and it sheered off.

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Sunday, January 8th, 2012 AT 3:03 AM

1 Reply

Tiny
CARADIODOC
  • EXPERT
  • 26,014 POSTS

That's to dampen driveline vibration. As the car ages, the springs and engine mounts will start to sag. That changes the angle of the half shafts / cv joints, and changes the characteristics that can set up those vibrations. If you remove that weight, there's a very good chance you will not notice any vibration.

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Sunday, January 8th, 2012 AT 3:11 AM

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