Thread: Need diagnostic help on SEVERE steering wheel shake

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"20 years ago"

I have over the years repeatedly had occurrances where brake rotors have cracked at the parting line in the inner fins---causing a very violent wobble feeling as when they do start separating the rate increases and the wobble gets worse

You can check the disc thickness with a mike of dial caliper and if this is the case it will be easily measured---new discs are the only fix

Originally Posted by jerry clayton

"20 years ago"

I have over the years repeatedly had occurrances where brake rotors have cracked at the parting line in the inner fins---causing a very violent wobble feeling as when they do start separating the rate increases and the wobble gets worse

You can check the disc thickness with a mike of dial caliper and if this is the case it will be easily measured---new discs are the only fix

I'll have to see if I can borrow a dial caliper, not something in my tool box... I was thinking about replacing the stock discs with something larger, maybe the Wildwood set-up, This might be a good excuse to do it sooner rather than later...

Any-thoughts on whether there could be a problem in the steering column or rack/pinion?

I agree with a post already here..............caster will and can allow this to happen. You do need to check it..........3-4 degrees is what you want , especially at highway speeds.

Originally Posted by sunsetdart

I agree with a post already here..............caster will and can allow this to happen. You do need to check it..........3-4 degrees is what you want , especially at highway speeds.

Asked a buddy of mine who works at a Firestone shop to look it over with me for a third (or fourth) opinion, this morning. He's convinced that the problem is still related to miss-balanced wheels. He pointed out that the stick-on weights were all on the inside, which is cosmetically pleasing, but that due to the wheel size, etc., it would have been very difficult to balance it correctly that way... he'll take the wheels on Monday to his shop and check the balancing, just to be certain that's not the problem... if it still is, I'll start pulling tie rods, etc., next weekend. Then look at replacing calipers, (might as well put the larger brakes on now).