In those instances you often can have the discs reground/recut in situ,
on the car. But the wheel bearings should be perfect and fairly tight.
Kees Oudesluijs
NL
Op 22-8-2013 14:41, BJ8 Healeys schreef:
> Mike, I don't know if the source of your problem is the same as mine, but:
>
> A few years ago I replaced both my front splined hubs. I bought them from
> Gary Hemphill at Hemphill's Healey Haven. The right front made the clicking
> noise you describe, and I found that the disc was picking up and dropping the
> pads in its rotation. Thinking that the rotor (which was only a couple years
> old) was warped, I removed it and had it turned. This had no effect on the
> rotor wobble or the clicking noise. Some time later, I took the car itself
> to the shop that turned the disc. They removed the rotor and skimmed it
> again (it didn't need it, they said). No effect. At this point it dawned on
> me that the new hub was at fault. I reinstalled the original hub with the
> same bearings and the rotor wobble and noise was gone.
>
> If your car underwent a restoration fairly recently, maybe it got a similarly
> bad hub. If turning the rotor doesn't fix it, you'll know.
>
> Hemphill accepted no responsibility for the defective hub and refused either
> to examine it, replace it, or refund my money. He was on his way out of
> business at the time. He did inadvertently let me know in a cc to one of his
> e-mails to a supplier that he had another bad hub sitting on his desk. Good
> riddance!
>
> Steve Byers
> HBJ8L/36666
> BJ8 Registry
> Havelock, NC USA
>
>
> ---- Mike Garvey <r3m1g4@verizon.net> wrote:
>> My front wheels make a clicking noise as I drive; it's reminiscent of my
>> childhood days when I put a playing card to flap against the spokes of my
>> bicycle.
>>
>>
>>
>> My tentative diagnosis is that it is the disk pads that get "pulsed" once
>> every time the wheel rotates and the fit of the pads is loose enough that
>> they "click". The clicking stops when I apply the brakes. Suspecting that
>> perhaps the disk was the root cause (since the rolling resistance varies a
>> bit as I rotate the wheel by hand), I measured the run-out of the (outside)
>> surface of the disk; it measures 0.005 inches, peak-to-peak. The BMC manual
>> says that run-out should not exceed 0.004 inches. It's not easy to measure
>> the disk thickness, so I've not done that yet.
>>
>>
>>
>> The disks appear to have been replaced during the restoration (by the former
>> owner) about 2 years ago. I recently installed the shims that Moss sells to
>> alleviate brake squeal (which are very effective I find).
>>
>>
>>
>> Do all/most Healeys make this noise? Should I just have the disks turned?
>>
>>
>>
>> Thanks in advance, Mike
>>
>>
>>
>> Michael Garvey
>>
>> 1967 BJ8/38046
>>
>> Swampscott, MA
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