What is your question?
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What is your question?
when the pedal is pushed hard not fast the truck brakes very hard most people can not safely drive it.could it be the master cylinder?
2 Replies
COULD BE BRK BOOSTER, CK TO MAKE SURE YOU HAVE APPROX 17 INCHES OF VEC TO BOOSTER HOSE
1 person has answered this
Agree with #1 but test vacuum at the check valve also.