Steering wheel vibration 70-80 mph help?!

crazy4oldcars

2 questions:
Have you run thru any deep water recently, as in deep enough to reach your rotors? It would have to be after getting the brakes really good and hot. That and braking like crazy and then parking it are the only easy way to warp rotors. They have to cool unevenly from damn near red for it to be a problem.
If you can (no clearance issues) have you tried running without the spacers to see if the problem goes away? Like you, I'm doubtful it's your problem, but anything you can totally eliminate is a plus.
Good luck!

Kirk B.

AstatenateZ

No! My cars way too low. I won’t drive it if it’s raining hard enough to flood. And I don’t drive hard in the rain my hatch area is gutted and with my camber and stance driving in the rain is sketchy enough lol but I have driven car (not too hard) then washed it. But I don’t think the brakes went from really hot to cold water. But I guess it’s possible.
But I have to admit I have driven it pretty hard and done some pretty tough braking and parked it. So it wouldn’t surprise me if they were warped. Again, I’ll try the bedding process but unsure if that’ll help if they’re truly warped. Just not sure how warped rotors would cause the judder while driving w/ NO brake pressure applied. But suppose it’s possible.

Yes I can pull front spacers off and check to see if it helps! To rule it completely out that was going to be my next thing on the list to rule out.

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You mention that you have after-market 19" wheels ... but no hub rings. If all else fails, you may want to consider purchasing a set of hubcentric rings and then install the wheels with the rings in place and check for vibrations ... perhaps first with the spacers removed, and then with the spacers installed. Although not always necessary, the rings can help center the wheels during install. Also, I assume that you have the correct type of lug nuts for your wheels.

AstatenateZ

... well sir you were right! I had an assumption. I have no clue why it just randomly started doing it. Maybe the last couple times I mounted wheels it didn’t seat right causing me to just notice it. The first couple times after spacer install I may of just got lucky and they seated fine. But now with aluminum hub rings. No more vibrations. Only at high speed 75/80+ braking from slight rotor warpage.


To everyone else, thanks guys! I’m pretty mechanically inclined. But I like to have opinions from others! Love this forum with my old Z and my current Z. Always helpful! Wheels are re balanced. Hub rings got my wheels centered. Alignment is good. And only vibrations I have is from my rotors being warped. But the vibration is a lot less when I brake. So I’ll be replacing those in spring! Stay tuned for the install as well. It’ll be posted on here as well!

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Glad to be of help.