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Re: daewoo front brakes
The single-piston floating-caliper disc brake is self-centering and self-adjusting. The caliper is able to slide from side to side so it will move to the center each time the brakes are applied. Also, since there is no spring to pull the pads away from the disc, the pads always stay in light contact with the rotor (the rubber piston seal and any wobble in the rotor may actually pull the pads a small distance away from the rotor). This is important because the pistons in the brakes are much larger in diameter than the ones in the master cylinder. If the brake pistons retracted into their cylinders, it might take several applications of the brake pedal to pump enough fluid into the brake cylinder to engage the brake pads
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Daewoo were bought out and rebadged Chevrolet (over here) to initially provide a second life for ageing Vauxhall designs and technology.
For a time Daewoo was just about the cheapest car to keep on the road but General Motors changed all that and now the stuff is more expensive than many of the spares for the mainline models even though they are still slightly inferior to them in design and build quality.
If you still have trouble in spite of this new information I suggest you search for parts by brake manufacturer, which is usually marked on the body of the brake caliper.
I am assuming since you said "pads" you are reffering to disc brakes. Jack up car. Remove wheel. Unbolt and remove brake caliper. Remove old brake pads paying attention as to how they were attached and where they were placed. Using a C-clamp, push plunger of caliper back in as far as it will go. Put new pads on to caliper. Bolt caliper back in place. Install wheel. Remove jack.
remove wheel, remove 2 large bolts holding brake caliper on,do not let brake caliper hang by the brake line. push brake caliper piston in with c clamp or piston tool. replace pads, reassemble brake caliper. while brake caliper is off check disc rotor for wear.
Please don't clamp the hose or you may damage it. Remove the bolts holding the caliper on and support it with a wire or bungee cord to take the weight off the hose. Take one of the old pads and lay it on the piston and using a C-clamp, compress the piston slowly into the caliper. Release the c-clamp and install the new pads including(if equipped) new shims. Bolt the caliper back on the bracket and repeat for the other side. When the brakes are finished, you MUST press the pedal several times BEFORE you attempt to move the car. This will bring the new pads close to the rotors. Be careful and best of luck. The car you stop may be your own. If you are unsure, then try a live chat to make sure you're doing everything by the book. Thank you for using FIX-YA. Let me know please.
you have to replace bearing and hub as a unit.you have to remove remove brakes and caliper rotor set them aside dont disconnect brake line. get a piece of clothes rack wire to hold brake caliper .do not let it hang by brake hose. you got to remove hub nut. best way to do that is loosen it a litttle while tire still on weight of car keep wheel from turning .
its possible that one of the caliper piston has seized.
to fix this remove the wheel and take out the pads and try and force the piston back(it takes some elbow grease), then bleed the brake that has seized if this does not work replace the caliper (breakers yard??)
either your calipers are sticking and need replacing. OR the hoses have failed internally. and need replacing.. very rare but possible the master cylinder is not allowing the fluid to return usually caused bu a booster failing and causing some down travel in the master cylinder. I'd start by raising the front end up. appling hard brake pressure. turn the tire.. then loosen the brake bleeder to check for pressure. if the bleeder sprays fluid and the brakes release forget the calipers. if they are still tight then replace the calipers. pump them up again if they released.. and break the line free at the master cylinder. if they don't release then replace the hoses..
I also have a 99 nubira, you should be able to do it with out a book...............they have disc all round and the general set up is the same front and back, If i remember rightly, wheel off, unbolt caliper from mount ( 2 bolts on back face ) pads simply pull off from bottom of mount, refit new pads ensuring same shape on as one that came off. open bonnet and take off cap to brake fluid, using suitable tool ( i used a large screw driver ) push both pistons back into rubber gaitor ( keeping a eye on level in brake fluid, as it will possibly overflow ). You should then be able to refit caliper back to mount. refit bolts, mop up any overflow and replace cap.........JOB DONE :) ........................remember, before you go out onto the road start the car and pump the foot brake a few times until the pedal goes firm again.