Steering wheel shake?

AP - Chris_B · 11-19-2009, 02:02 PM

Quote:

Originally Posted by ResIpsa

The technical term for what you are experiencing is "brake judder." And "brake judder" is caused by an uneven layer of pad deposits on the rotor.

If your rotors were truly warped then you would experience the vibration all the time. They would vibrate when cold and when hot.

I was able to cure a brake judder problem on my Z with 3M Roloc Discs attached to a drill. I used one disc for each surface and gave my rotors a good scrub. Voila! Problem solved.

+1 on this answer. You could also try a Flex-Hone, which is pretty quick and effective. The trick is to remove the uneven pad transfer layer, not iron. Then re-bed the pads and you should be good to go. When bedding, always remember that proper cool down is critical. You never want to press hot pads against hot rotors at a standstill.

This is why bedding procedures should never dictate a full stop. It's usually 35 down to 15 several times, then 55 down to 25 several more times, etc. Once they are hot, you can feel the green fade starting and you can smell the pads. Drive at least a mile without using the brakes to "freeze" the transfer layer in place.

Chris

cotizi · 12-01-2009, 07:46 PM

Update:

Maybe this is totally unrelated, but I noticed over thanksgiving that when I turn the wheel all the way left or right (till it locks) and start turning, I get a grinding sound outta what seems to be the front of the car. It's not a squeaking sound but feels metal on metal. I'm clueless if its brake related, suspension or the tire rubbing something. I'll have to wait till this weekend to go diagnose and recreate it. Anyone experienced anything like this?

12-01-2009, 07:46 PM	#2 (permalink)
cotizi Enthusiast Member Join Date: Mar 2009 Location: Austin, Tx Posts: 391 Drives: 2012 VW GTI 6MT Rep Power: 219	Update: Maybe this is totally unrelated, but I noticed over thanksgiving that when I turn the wheel all the way left or right (till it locks) and start turning, I get a grinding sound outta what seems to be the front of the car. It's not a squeaking sound but feels metal on metal. I'm clueless if its brake related, suspension or the tire rubbing something. I'll have to wait till this weekend to go diagnose and recreate it. Anyone experienced anything like this? __________________ Past - 2009 Silver 6MT Sport 370Z Current - 2012 VW GTI 6-Speed

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