Thursday, September 22, 2011

Rear rotors and All brakes?

hey im looking to fix my 2002 sunfire it makes a hell lot of noise when I press on the brake so im guna change all four pads, are there certain types that fit certain cars ? and my back rotors seem bad they are both covered in rust and when I stop or come close to.. you hear this bang kinda noise from the back, is there anything else I need to take into consideration and how would this to fix at a workshop..thanksRear rotors and All brakes?
Pads are easy on disc brakes. pry the pads back away from the rotor surface slightly with a flathead screwdriver, take the bolts or pins out of the caliper and slip it up off the rotor. You will need an 8%26quot; %26quot;C%26quot; clamp to squeeze the pistons back to get the new pads thickness in. Use the old pads in place with the clamp.Don't open the bleeder screw! Don't add fluid till the brakes are in and done. the fluid from pressing the pistons back will be pushed back, up, into the resivor.It's a good idea to scuff/scoure the rotor glaze (glossy finish) off with 80 gritt sand paper before putting the new pads on. Do 1 side at a time so you can look back at the other one in-case you have problems putting one back together..Rear rotors and All brakes?
You should get a repair manual (like Hayes) to show you step by step how to change your brakes. As far as different types of brakes just go to the auto parts store, or Chevy dealership and tell them your vehicle. They should be able to hook you up.Rear rotors and All brakes?
Go to a parts store and tell them the make of your car and they will get you the correct brakes. From what you are telling you waited too long to do the repairs and you will probably need rotors too. The noise you are hearing is metal to metal. All the pad wore off and it is down to the metal. Disk brakes are easy to change. Usually on a GM car there are 2 long bolts that hold the calipers on. The bolts usually have a head that takes an allen wrench to get them out. When you get the bolts out pry on the piston with a big screw driver to get it back into the caliper otherwise you won't be able to get the caliper back on with the new pads or if you have a big C clamp you can take the caliper off and push the piston back in with the C clamp. You should also loosen the lid on the master cylinder because when you push the piston back in it will start filling the master cylinder with fluid. If you are changing all 4 brakes the fluid will probably run over the top of the master cylinder. You may want to take some out before it runs over and eats the pain off the inner fender. When you put the brakes back on fit the pads back onto the caliper and slip it over the rotor and put the bolts back in and it's done. If the rotors are all chewed up and you have to replace them they will slide off the lug bolts once the caliper is off. There may be a little washer like thing that keeps the rotor in place and it is hard to get off. I usually end up breaking it trying to get it off. That's OK just throw it away, all it's there for is to keep the rotor in place. The caliper will do the same thing when you put it back on. Good luck.
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