Brakes sink to the floor checked for brake fluid on wheels no leaks replaced brake module but I still have the same problem can you help 1991 chev S-10
Brake master cylinder seals gone would be my guess
No sign its new M/C
If it's new, was it bled properly to get all the air out of it prior to installation (bench bled) or right after installation? After it was installed, was each individual brake, starting from the passenger rear bled off?
You may just have a lot of air in the system. Good luck
Yes that was put in properly and everything was checked properly there is no air in the system I think I need to reset the module or something
You may have a defective master cylinder. I've had that happen. If the brake pedal sliowly sinks to the floor under steady pressure the master cylinder is leaking internally. HTH. -Jim
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