Question about Mazda Cars & Trucks
Brake failure,upon inspection found blown flexible hose to caliper.put on new hose not enough fluid reaching caliper to fill chamber to bleed out air would this be a fault in the mastercylinder
Yes it could be a bad master cylinder. But always remember when bleeding brakes. No matter what component on the brake system was changed. You ALWAYS bleed all four wheels and rule #2 ALWAYS bleed from furthest from the master cylinder first and work your way to the master cylinder. This ensures you remove all the air from the break system and not just move the air back and forth inside the lines. Try that. Hope this helps.
Posted on Nov 28, 2012
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Posted on Jan 02, 2017
SOURCE: I just put new calipers
Did u bleed the master cylinder before u installed it? If not, you'll have to also bleed the rear brakes. starting w/ the bleeder the farthest away, to next greatest distance,etc til u get to the closest bleeder.
If u did bleed the master cyl. before installation, I'm wondering if u did the following:
have someone pump the brakes (3 times, don't mash the pedal to the floor, just gentle push no more than half way down 3 times, while holding pedal half way down 3rd pump, open bleeder, when fluid or air slows coming out, close bleeder, and repeat, until only clean fluid flows. And of course, don't let the fluid get too low in the master cyl, or you will **** in air and have to start all over. Let me know how you do. countrycurt0
Posted on Sep 28, 2008
I could be your brake booster which provides the power assist in your braking. The hissing would indicate a booster gone bad. With no booster it takes a lot of pedal pressure to get the braking you are used to.
Posted on May 03, 2009
Be sure you have changed the break oil completely. Otherwise drain the hydraulic system and renew with correct type of oil. If you have a ABS system you have to check that also.
Posted on Jul 20, 2009
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