I have an interesting issue puzzling me. My 2006 Chevy Malibu is about
ready for brakes, which I will be doing shortly. The biggest issue is a
pulsing from the left front wheel. The pulsing is very mild for all
driving, almost indiscernible. When I am driving down hills, even when the
brakes are dead cold, the vibration has gotten moderately severe; to the
point that I'm thinking it might be more than just the rotor. I did the tie
rod ends at 78k miles and now we are at 118K.
The shimmy has always been worse on down hills, which perplexes me.
The car will be getting new rotors and brake pads up front, where the shimmy
is. If there is still a problem, that I do not see when I change out the
rotors and pads, I'll address it, but I was just wondering if anyone had a
plausible explanation of why the shimmy is so much worse on a downhill. It
is not heat build up, as I've experimented with not using the brakes until
the downhill and from the first application, the shimmy is far worse.
Thoughts?
Thanks in advance,
Jack
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