Really depends on the type of thud, so there could be a few reasons;
1. Disks are warped and therefore need machining. (Usually accompanied with a vigorous shake of the steering wheel.
2. Loose bolt on the caliper, can cause this loud thud when on and off the brake.
3. Loose bolt on the strut causing this thud. (although I doubt this but it is possible)
And again without hearing the sound it is hard to diagnose. Try to see where the noise is coming from while the car is in a stationary position.
There are front brakes and rear brakes. There are a total of four brakes on a car. Every wheel on the car has its own brake and every car has the same number of brakes.
If the brakes are out then you have no business putting it in any gear because it is unsafe to drive a car with no brakes.
the brakes use friction to stop the car
sounds like a cv joint
Foot brakes are used to stop a car. In an emergency however both the foot and hand brakes can be used to stop a car.
Car brakes can cost quite a bit. Anywhere in the $100s I would say. Depending on your car and how many brakes you desire.
Stepping on the brakes of a moving car is an example of
The power brakes are activated when you start the car. This is normal.
Yes the ceramic brakes are in fact better than the regular brakes. They are of a higher quality and will last much longer then the other brakes.
A Lincoln Town Car uses hydraulic brakes, not air brakes.
New brakes for a vehicle depends on the type of car that you have. The more expensive the car, then the more the brakes would cost. For front brakes on a less expensive vehicle could cost anywhere between $40-150. The back brakes are higher.
4 wheels = 4 brakes