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Why are my brakes locking up

Brakes locking up 1997 Ram Pickup Cummins turbo Diesel?


my friend has a 97 Ram 2500 Cummings turbo with full tow package,engine brake, and transmission up grade.

after hearing her brakes grinding sound and, seeing ABS light on and apparently its been on for some time

( OK, that’s why we call them Idiot lights)

raising the hood I found master cylinder uncapped ( still no problem)

I put new pads on front for her about 2 weeks ago. The rotors were badly worn but could not replace. who knows when the rears were done. they seem to do little if anything at all

I have been driving it this week hauling some heavy loads in the hills and have had no problems untill this morning. when Im pulling out the brakes seem to be locking up when I touch the pedal and wont release until I kill the engine or pull up on the pedal.

if I use just the rear brake it will barely stop but doen’t lock…

I’m thinking maybe I will have to rebuild master.

also her trasmission is what looks to be about 1qt over full, and full of bubbles

Is that a problem?

I ran the OBD old school way using the flashing dash lights

I get codes 12,32,37,37,55, but I dont have a manual

I hope you have at least $2 million in liability coverage…Sounds like you are going to need it…