Depends on the system most are hydraulic, others use spring tension, many rely on brake rotor run out to give a couple thousands gap between pad and rotor.
When a cat let's it's claws come out, it puts force on its pads pushing out the claws. When that force is stopped, the claws retract.
the best brake pads are usually the the vehicle manufacturers brake pads
a special scanner called a v.a.g. has to be used to retract the electronic e brake system, and will also retract caliper piston..DO NOT TRY WITH OUT TOOL !!!!!
The friction of the rotor makes them move back, - it is only a tiny movement, less than a millimetre.
depends on which break pads.
It depends on the present condition of the break pads, and how worn they are. If your break pads need replacing I recommend having them replaced as soon as possible.
It helps re-fit to slide it back a fraction.
This is caused by the pressure release in the brake lines when you retract the pistons in the brake calipers to accommodate the new brake pads that are thicker than the ones that are removed.
You can use break pads on a car, and if you install them on the breaking system then you will be able to use your breaks more to their full potential, and easier.
No. They are operational as soon as being put on. The longer you run them the more they wear due to wear of the break pads.
EBC and Brembo are two good companies that provide break pads that have a long performance life and are of good quality.
Remove wheels Loosen 2 caliper mounting bolts and remove Remove Rotor (if peel off type) Resecure caliper Remove brake pads Need to get special tool to retract piston into caliper Do not retract using "C" clamp these pistons have to screw back into calpier (Clockwise) After piston retracted totally install new brake pads and reverse procedure to install DO NOT MOVE VEHICLE UNTIL BRAKE IS PUMPED TO RESET PADS TO CALIPER