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Re: need to figure out what i can do to fix it
You need to bleed all 4 brakes start from the rear and work back also you can put the retainer on wrong, did you run the fluid out of the master cylinder? if so it will take quite a bit of bleeding to get them to pump up, also check the back brakes and make sure they are not worn out or put the emergencybrake on so that the back cylinders are fully engaged and bleed the front, next time use a c-clamp to press the caliper back into the holder so you don't have this problem.
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Fill the master, and bleed the slave, just like you bleed a brake system. Takes two people, and three are better.
Pump clutch. Hold down.
Open bleed valve on slave.
Close bleed valve on slave
add fluid to master.
repeat until no air comes out when you open bleed valve on slave.
Proper way is to bleed the entire system. IF your master cylinder DID NOT run lut of fluid then you can get by with just bleedign the one caliper you replaced. Otherwise you need to make sure the master cylinder stays full and start at the furthest away wheel, generally the rear right. then do the rear left. then if you have ABS, the abs module. then the front right and finally the front left. DO NOT re-use any brake fluid.
Bleeding procedure: use enough tubing to route the fluid into a suitable container. OPEN the bleed valve and have someone press the brake pedal. While they hold the pedal down, close the valve. Let off the brake pedal and do it as many times as needed to remove all the air. Check the master cylinder often to make sure it has fluid.
To bleed the brakes 1st make sure the fuild level is full ,and you will need a assistant . have your assistant pump the brake petal three to four times then hold presure on petal (pushing down ) then open the bleeder valve on the left rear caliper ,have assistant push petal towards the floor until it stops and then hold it there until you close the bleeder valve ,then repeat process four to five time recheck brake fulid level then repeat same process on right rear caliper next go to right front and end on left front ,keep a eye on the fuild level so that it is not allowed to run out or you will have to start over again ,there is no speical procedure ,any other questions just ask
YOU NEED A SCAN TOOL TO BLEED BRAKES.THE SCAN TOOL REACTIVATE HYDRALIC BRAKE MOTOR.YOU CAN RAISE VECHICLE WHEELS OFF GROUND SUPPORT SECURE SAFELY. ALLOW DRIVE WHEEL SPIN 5 MILES AN HOUR WHILE VECHICLE OFF GROUND THE WHEEL SENSORS WHILE WHEELS SPINNING WILL ACTIVATE ABS HYDRALIC MOTOR TO BUILD UP BRAKE FLUID PRESSURE.THEN LOWER VECHICLE TO GROUND.MAKE SURE MASTER CYLINDER BRAKE FLUID LEVEL CORRECT THEN BLEED BRAKES IF BRAKE DONT FEEL FIRM OR SOLID DONT DRIVE HAVE VECHICLE TOWED IN.GARAGE WILL HAVE TO USE SCANNER TO BLEED BRAKES.
Support the vehicle on Jack Stand. Remove the Tire. Loosen the two retaining bolts on the back of the Caliper, 1 on each end, Disconnect the brake line. Install the new caliper and from there you have two options. 1. Let the Caliper hang free and open the bleed valve on the Caliper with the engine running, when you see fluid start to drip from the Bleed valve close the valve then complete the installation. (Make sure you remove the rubber cap from the bleed valve) 2. (This takes two people) Install the pads in the Caliper then install the Caliper. Make sure the brake fluid is topped off. Start the vehicle and pump the brakes 3 to 4 times then hold the brake pedal down. The person on the outside releases the Bleed valve, in this process the brake pedal will go to the floor, Once the Pedal is all the way down close the valve and repeat the process checking to make sure the Fluid is topped off after each attempt. Repeat the process until only fluid comes out when you open the bleed valve. This usually takes 2 to 3 cycles. Once the air is removed from the caliper and brake line top off the fluid one last time and install the tire.
If the piston is stuck out this is due to a seized calliper however a temp Fix is to turn the piston clockwise to force it back in as rear callipers are self releasing so they need to be turned clockwise they will not go stright back without turning. This is due by broken calliper seals although you will temp fix it, It's best to either replace calliper or buy a calliper fixing kit which includes all the seals that need replacing.
Also You will need to Empty the brake fluid out to make it easier to push the piston in it, Then you will need to bleed the whole brake system once fitted back.
This might sound dumb, but if you haven't used a C-Clamp to push the piston in the caliper back in, then you will not be able to get it back on. Also the guides for the two bolts will need to be gently pushed back so they are not in the way of the bracket. Hope this helps. Chris
Have somone help you as you bleed the brakes. Have them pump the pedal 3 times and hold the pedal down with constant pressure while you crack the bleed valve open to the problem caliper. Don't let them release the pedal until you have closed the bleeder valve. Continue this process until you have fluid coming out without air. Periodacillay check the master cylinder to be sure it remains full enough so as not to allow more air in because the resivouir ran to low during the bleeding process. If when you are done and the brake light continues to be on then you will need to bleed the proportioning valve until the system balances out on line pressure. If this works can you please give me a rating??? Thank you.
You will need a special socket which is square and has a small prong at each corner. That will screw the piston down to the the stop. As to getting the caliper off buy an inexpensive shop manual which will show the procedure with pictures, it is simple and once the pistons are seated into the caliper with the adapter I described you are home. I got my socket adapter at a neighborhood auto parts store. Don't forget to bleed your brake fluid.