Q: fornt brakecalipers get tighter and tighter as your driving untill they lock up on 1996 GMC Suburban 1500

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releases after it cools down, i replaced front calipers pads hoses and mastercyclinder abs with disc ft drum rear
(2) Answers
(6) Comments

Do front 'and' rear lock up? Internal return spring defective in booster. Was this problem the reason for the work with no change after?
Adjustments should not change just by driving! But spring tension can, that is my guess.
It's been a long time for me since I've dealt with one of those , but didn't some of them need to have the pedal free-play adjusted from that rod , when changing M/Cs?? I was kinda guessing based on stuff from 15-20 years ago.
Not if the correct m/c was insalled. But as i say hard to tell from here.
Rod adjustment may help if pedal is returning to the stop. More things
it could be also. I think we covered the 'usual' stuff though.