When I brake, especially when going downhill, the brakes are vibrating slowly which is unnerving. Braking power is OK, though.
Can you feel the vibration through the steering wheel if so have your front discs machined & the front pads replaced. Or are you feeling the vibration through the pedal? if so it may be the rear but start with the front.
SOURCE: Braking vibration. more severe at higher speeds/
the brake disc is scratched checked for it,there is also a free play on the bushes of the suspension check it
SOURCE: I need help bad.My fiances
The traction control light will need to be diagnosed using a scan tool. There will be a code stored in the module. Once you know what code is present you will be able to start finding solutions. I assume that the ABS light or the check engine light is not on. If either of these is on it will disable the traction control and illuminate the light.
The brake pulsation sounds like warped rotors. It is pretty common. You said you changed brakes but didn't mention if you had replaced the rotors. Sometimes the rotors can be turned if they are thick enough making them true. If they are not thick enough new rotors will need to be installed. I would recommend having the new rotors turned before installing them.
It is also very important to torque the lug nuts that hold the wheels on when you are finished with the repairs. Failure to do this will almost always result in warped rotors. It is also important to remove any rust buildup from the hub (the part the rotor mount to).
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SOURCE: Chevy uplander Brakes
check advanced auto they can get you a haynes book or they may have one in stock
SOURCE: 2203 Chevy Impala - vibrations under braking - front left.
I love this car can i please have it
SOURCE: ABS light and Traction control light stay on.
That "grindy" feeling is when the ABS kicks in. It's only suppose to activate when you slam on the brakes and the wheels would normally lock. Instead, ABS will very quickly pump the brakes on and off, to prevent the wheels from locking (making a giant skid mark) and stopping the car more effectively. Generally this only happens if you slam on the brakes or loose traction due to rain or snow while braking. If this is happening often and the brake light is on, on the dash, then you need to get this checked out by a qualified mechanic ASAP.
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