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To retract the caliper piston into the caliper bore use a spanner type wrench to turn the piston. You can also rent the correct tool from a local parts store or you may use a pair of channel lock pliers and apply slight pressure with a C clamp. You must be very careful not to damage rubber boot or piston. Turn the piston clockwise until it bottoms out fully in the caliper.
Align the cutouts in the caliper piston to the alignment pins on the back of the brake pads.
put a G clamp on the piston and dont tighten it too much then turn the piston clockwise with some water pump pliers and then tighten the clap a bit more then turn piston again ,also watch it because some of these use left handed threads if its the ford made caliper
no that is only the older rear calipers on gm and others. the fronts do not have that style caliper and sound like the calipers are frozen and may be way your changing the pads. try opening the bleeder screw and then compressing them if they go then you need need brake hoses and if not you need calipers. god luck man
Some caliper pistons are the wind back type. You will need to buy a special tool to wind the piston back with. Usually fairly cheap . The Pistons usually wind back in a clockwise motion. Hope this helps.
There should be 2 slots in caliper piston,Take needle nose pliers and insert one tip into each slot,will have pliers in open position.spray lube on rubber seal,then twist pliers in clockwise direction.Piston will screw in.You can also buy special tool for this.
Look at the back side of the calipers you will see 2- 12mm bolts that hold the caliper on to the brake pad bracket just unbolt and replace pads. Make sure you have a C clap handy to compress the caliper pisiton back into the caliper.
There is a tool that you can buy or rent at the parts house that you can connect to a hand tool EG: 3/8 rachet to use with a tool to compress the caliper while you turn the rachet. You will see some raised teeth on the calliper piston for the tool to bite on. Since the rear brake is used to lock the parking brake it has to have a self adjust to compensate for the brake pad wear. EG: Old school drum brakes adjust when you back up depressing the brakes and letting off while the vehicle is rolling allows for the adjuster to reset the brake shoe clearance.
You will need a large allen socket or torqes (sp?) socket to loosen the caliper bolts; you can get at auto parts places. Other than that you will likely need a medium to large deep throat C clamp to force the fluid back to the resevoir by squeezing the calipers back in the body. Do this slowly as there may be check valves to over come with the fluid return. I am not aware of other special stuff.