That usually means that the pad is worn down and you're getting metal against metal (bad). You should replace your pads before you have to replace both pads and rotors.
I think it is because when you brake and turn at the same time it makes friction and that's what makes the tires squeak.
The brake pads have a small metal piece which makes he brake squeak. This means it's time to change your brakes. The longer you let it squeak, the more damage it does to you rotor. Still the rotor can be resurfaced or if needed replaced.
the caliper
The friction between 2 objects makes them squeak
The tool used for rear brake pistons is commonly referred to as a brake caliper tool or brake caliper piston tool. It is designed to compress the piston back into the caliper housing when replacing brake pads or servicing the brakes, especially for vehicles with rear disc brakes that have integrated parking brake systems. Some tools are specifically designed for certain vehicle makes and models, while others are universal.
It only requires taking out the bolts that hold the caliper on.I push the caliper bach with a screwdriver first while its on the car.This makes it easier to put the caliper back on.
Brake Caliper is sticking........Replace!!
possibly a power steering belt or worn brake rotor pad . i suggest buying a ford.
squeak
squeak
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If the front brakes squeak, it usually means thst they need to be replaced. A good indicator of this is brakes will stop squeaking when brakes are applied. Many reputable brake shops give free inspections Often it's just as simple as a wear indicator. Many GM vehicles have a wear indicator on the disk brake pads that make noise as a warning. You must remember its a chevy.. with just alittle dust a caprice can squeak for days.. ever hear a cop car braking? but it doesnt hurt to check the fluid level- pads- rotors. Caution- cuz if the rotors bent it could be that deffective lower ball joint..