I am trying to change the pads on a 96 oldsmoblie, but I can't get the caliper to compress completely. I called autozone and they told me to bleed them a little, but that didn't work either. Can someone please help me? Thanks, Tiff
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The caliper piston will have two,more likely three notches for the tool to turn the caliper,one side turns left hand,the other side is left hand,push and turn and you will see progress.Then align the notches for the brake pad to fit correctly .
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The spacer allows the caliper to move slightly as the brakes are applied, and as the pads wear, so it has to be on the caliper. You should take a C clamp and compress the pistons all the way into the caliper to allow it to be installed with both pads in place. If the metal spacer is a problem and wont allow you to install the caliper, tap the spacer into the caliper a bit.
Pretty similar to doing front disc brakes. The big difference is that you DO NOT compress the caliper to put the new pads in. The calipers wind in like a big screw. I think I used a pair of plyers or channel locks to fit in the end of the caliper and twist them in.
TOOLS YOU NEED TO REPLACE FRONT BRAKES YOU NEED A FLOOR JACK AND JACK STANDS.YOU NEED C - CLAMP TO COMPRESS CALIPER PISTON IN ITS BORE. SO THE BRAKE SHOES IN CALIPER WILL FIT OVER THE DISC OR ROTOR.YOU NEED A SIPHON OR LARGE SYRINGE TO REMOVE A LITTLE BRAKE FLUID FROM MASTER CYLINDER RESERVOIR SO WHEN YOU COMPRESS CALIPER PISTON BRAKE FLUID WONT SPILL OVER MAKE A MESS POSSIBLE DAMAGE CAR PAINT.SHOULD AVOID GET IT ON YOUR HANDS ALSO.YOU NEED A 3/8 RATCHET AND SOCKET SET.ITS ALSO GOOD TO HAVE A HAYNES OR CHILTON REPAIR MANUAL.IT WILL GUIDE YOU THROUGH THE PROCESS.BESURE WHEN YOU FINISH PUTTING ON BRAKE PADS.PUMP UP BRAKES WITH BRAKE PEDAL UNTIL THEY ARE FIRM.MAKE SURE YOU PUT BACK ON MASTER CYLINDER COVER BEFORE PUMPING UP BRAKES.AFTER PUMPING UP BRAKES TO SEAT BRAKE PADS AGAINST ROTOR CHECK BRAKE FLUID LEVEL.
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
Not really, some basic tools, metric sockets and wrenches, screw drivers and a 6" C clamp to compress the caliper piston.
The most important thing to remember is to make certain the caliper pins are clean and greased when you reassemble. If you are replacing components such as rotors or calipers, make sure you replace the parts in pairs. Make sure no grease or contaminants are on the rotors or brake pads.
You can go to www.autozone.com to get detailed instructions for replacing your pads.
10" C clamp- for compressing caliper
Socket set- 12mm or 13mm ( Might be a 10mm) for unbolting caliper from the bracket.
Screw driver- To pry up on caliper if needed to get off brakes.
1. remove tire
2. Unbolt the Caliper- bolts are located on the backside of the caliper
3. Might have to use the screw driver and pry up on the caliper to get it off the brake pads.
4. Remove brake pads from brake pad bracket
5. Install new brake pads
6. Compress caliper piston with C clamp all the way in.
7. Re- install caliper and the 2 bolts you took out
8. Start car and pump brakes several times.
9. Put tire back on car.
first lift car make sure its properly supported. take off tires. now use pry bar to compress caliper.use allen key to take off caliper bolts. now some bmw's have brake sensors when you change pads you have to change sensors. there about 25.00 at autozone.and then reverse to put back together. remember to pump brakes before you move car.
Try tapping around the rotor hat (the area that actually fits over the hub, where the lug bolt holes are) with a hammer. That usually will loosen up a rotor that's stuck due to heat, dust, etc. As for compressing the rear piston, they're a screw-in design, not a compression design like the front calipers. You need a piston retracting set (you can borrow them from AutoZone), and with that you can screw the pistons into the calipers. After removing the reservoir cap underhood, screw them all the way in so that you have ample clearance for the new pads over the new rotors, then pump the brakes a few times before you hit the road (put the reservoir cap back on first).