I changed my breaks yesterday and when i went to bleed them all its doing is pumping air. all the fluid wants to stay in the reservoir and i dont know why. when i was using the C-Clamp to push the cylender back so it would fit over the new brakes i heard alittle "pop" but i didnt think anything of it. dont know if maybe the reservoir just got clogged so the fluid wont go back into the brake lines or what but i cant go without my car any help would be appriciated!
If you are having this problem you will need a brake bleeding kit. this helps force the brake fluid round. the kit comes with all the fittings and you connect to a tyre valve, this primes the system so no need to pump the brake pedal, the kits are cheap and easy to use.
SOURCE: how to bleed brakes
Sounds like the proportioning valve is stuck. You may need to break a front bleeder loose and hit the pedal the unseat the valve. Then blead the rearbrakse and then bleed the wheel where you broke the bleeder loose. That should work.
Good Luck
SOURCE: back brake lines wont bleed on 77 chevy truck
Check out this link & read about combination valve & how to center it when bleeding.
http://www.autozone.com/addVehicleId,1321403/initialAction,repairGuide/shopping/repairGuide.htm?pageId=0900c1528007a632
SOURCE: Trouble Bleeding Break Line
you need to hold in the metering valve.when you bleed the front brakes.long as the valve closed off you wont be able to bleed front brakes.better to get extra help.hard to bleed by your self .
SOURCE: cant bleed out brakes
It takes time, do you know the sequence to bleed the brakes? Most cars r different. And you have to keep pouring brake fluid, That is a two person job. Make sure all lines r connected to MC and not leaking. After a while if nothing comes out MC could be diffective.
SOURCE: cant bleed back brakes
Temporarily slacken off the joint on the new line closest to the master cylinder - check you can get some fluid there.
If you do, re-tighten the joint.
Then move to the next join down towards the wheel and repeat the action there.
If you dont get fluid at any joints tested you may have:-
1) air in the master cylinder -that will need to be corrected before you go further,
2) a rear brake circuit lockout at the master cylinder that needs re-setting- check manual for any details of that safety function (if fitted).
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they are front brake pads, not rear
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