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The stock answer is that the discs are warped. This could be true in a small percentage of cases only. The vast majority of these case happen fairly quickly so the disc (half inch thick stesl) will not have warped in time. No, the asnwer is generally either stuck pistons in the calipers (or rather ONE stuck piston and the other works OK). The result is bounce and rumbling.
Take out the pads and make sure the pistons move smoothly. If not, lubcricate with a little brake fluid or change the piston seals or, easier and usually cheaper, change the caliper completely. If by any chance it is the disc being warped (and I repeat, this is pretty unlikely at normal service intervals), you can test it by spinning the wheel with dial guage on it. The easier way is visual - if the disc is warped OR the pistons stuck, the wear on the disc on one side will be uneven - bright parts and dark parts.
If this is the case, don't bother with the idea of getting the discs 'trued' on a lathe - buy new ones since it is easier and cheaper and in any event, a disc has a minimum thickness. If your disc is actually warped, you will be under this thickness. Buy new ones.
What else can I help you with?
Can you write a sentence with the word rumble?
if rumble you mean fight and sentence you mean statmane then yes
Is the miz is winner in royal rumble 2011?
If you mean if he won at the royal rumble then yes.
What does rumble mean in slang terms?
To fight. As in, get ready to rumble.
What is Rambo brakes?
You mean Brembo Brakes, there's no such thing as Rambo brakes
What does it mean when your brakes are smoking and the pads are on fire?
It means check your brakes.
What does it mean when there is a squeaky sound when you push the brakes?
It means it is time to have your brakes checked.
What does it mean when someone says you are getting ready to rumble?
ready to party!
What does cane brakes mean?
stop
What could cause a 1995 Nissan to make a rumble sound when coasting and then stepping on the gas if brakes and tires have been checked?
Wheel Bearings are most likely worn.
Is the C class prone to front suspension problems as you can hear a slight rumble when braking on the OS?
Prone to it - NO. Do these parts, brakes and suspension/steering need maintenance and repair..sure.
What covering the breaks mean?
Cover the brakes
Can anyone explain why there is a rumble sound when you back up; you think it might be the brakes sticking to the rotors but any else have any other suggestions?
The ring gear on the differential might be misaligned.
