Re: Disk Brakes and AM Radio Reception

[Hal Taylor <taylor@domain.elided>]

Bob,

Do you have ABS?  I'm not a 164 owner, and don't want to overstep my knowledge,
but what you describe sounds like it could be interference from electronically
controlled ABS brakes.

I'm guessing here; maybe someone else can jump in...

Hal

"Robert A. Abhalter" wrote:

> Last week there was a lot of discussion about radio reception and some quite
> good answers. I hope the radio specialists will allow for one more
> permutation on the basic question of RFI. The problem is that my brakes are
> broadcasting to my radio and I don't like the program.
>
> My 164 radio does fine receiving FM, however when receiving relatively weak
> but listenable AM signals, I hear a burst of static whenever I apply my
> brakes. In addition, I get a pulsing static signal until the pads retract
> from the disks. This is especially annoying when on the highway since there
> is enough drag on the pads, enough play in the bearings and enough runout on
> the disks (rear disks, I think) that the annoying signal never completely
> goes away. This weekend I replaced my radio (to add a CD) and the new radio
> behaves the same as the old.
>
> Can you suggest any remedies other than checking all the antenna and other
> grounds? But how do I successfully ground the brakes? I would think they
> would already be pretty well grounded. Any filters I could apply in this
> situation?
>
> Thanks in advance.
>
> Bob Abhalter
> Grand Rapids, Michigan
> '68 GTJunior
> '69 Spider
> '91 164L

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