89 park avenue
Just replaced front pads and rotors. I put Wagner thermo-quiet pads on (all
ceramic), and decent, beefy rotors (not made in the far east)
I had problems taking off the tires on both wheels. Some grease monkey had
put em on with an impact wrench, and didn't stop tightening till the bolts
blew powder, I'm sure. (AND, which probably warped the existing rotors, and
caused the braking vibration I was trying to fix). I had to heat 3 bolts on
Callipers looked good on install, sliders moved freely, etc.
On initial test drive, I had a bad scraping noise from the front left. I
stopped, pulled off the tire again, inspected, nothing was visibly rubbing
(except the pads to the rotors, of course). Put everything back on, drove
away. The scraping noise stopped after 4 or 5 medium brakes from 50 to 30
Driving down the highway, I get this LOUD whining noise (About the pitch of
a fire alarm). Doesn't happen all the time, if I rip the steering wheel and
"slalom" the car, it'll go away usually, or if I hit the brakes hard.
The sound is NOT speed dependant (IE, is does not change pitch with speed).
It does get a little louder with speed, but the pitch remains constant from
5mph up to 65.
I can't feel any drag on the car, still coasts fine, steering is centered,
vehicle tracks fine, no pedal or steering wheel vibrations, just this
intermittent noise.. It's embarrassing, quite frankly
Any help would be appreciated.