well it depends on how good ur car is and its condition just dont hit a bump to hard or something may fall out
chiken
There are several possibilities. Loose suspension, warn U joints, motormounts or even a coke bottle rolling around in the back. Try to isolate the sound and note if it only occurs on braking. It may also occur on acceleration which would indicate to me that it is something other than the brakes themselves.
Brakes or lack of propulsion.
The crop, a sack in the throat which they pass air back and forth through makes the coo sound
You should take it back to the shop that replaced them and ask. It's possible that something is hung up somewhere that's causing the noise.
When the disk brake pads wear down the "sensor" touches the rotor, causing a high-pitched sound to warn you that it's time to service the brakes. If the sound changes when you apply the brakes, you should have the brakes checked. You may need to replace the pads.
On the back of the box of the CarQuest Blue Premium Brakes box I just purtchased, it says "Made exclusively for CarQuest by Affinia Group, supplier of Raybestos brand brakes". The guy at the counter of my local (non-chain) automotive store assured me they were Raybestos brakes too.
how do i change back brakes on a 1991 toyata corolla
back wheels.
how to remove back brakes on a 2002 Chevy surban
A sub-woofer.
I hope you take it to a garage and have the brakes inspected. Might be a brake fluid leak.