YOUR TRUCK HAS KELSEY HAYES FOUR WHEEL DRIVE ANTI LOCK BRAKES EBC 310. YOU CAN BLEED BRAKES MANUAL STARTING AT - RR- LR RF- LF. THIS IS BLEEDING SEQUENCE.BUT YOU NEED A TECH 1 OR 2 SCANNER BECAUSE IF YOU REPLACED THE BPVM OR BRAKE PRESSURE MODULATOR VALVE.BECAUSE AIR TRAPPED IN VALVE ASSEMBLY.THE TECH 1 OR 2 SCANNER YOU HAVE PUT IN THE FUNCTIONAL TEST BLEED AIR OUT OF VALVE ASSEMBLY.THEN YOU CAN BLEED BRAKES MANUAL.
Really its easy if u know the anwser,,U DO NOT PUMP THE BRAKES,,never never pump the brakes,,open the bleeder have some one push the pedal almost all way down and hold tighten the bleeder,let pedal up,do it agian,,then move to next wheel,,DO NOT PUMP PEDAL,,and even if 2 of you,,use the bottle with brake fluid in it,
SOURCE: soft, squishy brake pedal after bleeding the
soft, squishy is air. I know you said that you bled the brakes, but i have had this time and time again, and until i have physically seen someone attempt to bleed the brakes i know why...........
let me give you a hint that i do, forget the one man bleeding kits, they are good for what they are designed for, trying to do everything yourself, which you cant...sometimes you need other peoples help.
1. open the farther most bleed nipple, and pump SLOWLY 4-5 times, close nipple on last down stroke.
2. assistant pump up the brakes
3. as assistant holds pedal, release bleed nipple, and before he/she gets to full travel, close the nipple (this will prevent air entry- as it acts like a vaccuum)
4. repeat 3-4 times
5. do the same at opposite end, working your way to the bleed nipple thats closest to the master cylinder.
NOTE : I am assuming that nothng was wrong with the brakes before-hand
SOURCE: i have an 83 chevy
bleed same as 1/2 ton.u need to jack up front wheels first.spin wheel have someone apply brakes.make sure try both apply and release brake hoses common problem.if don,t apply and release same both sides replace hoses.
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