97 z71

[kevan.gibson.9]

Ok just got a 97 z71 350 Got a few things I need help with it's throwing 7 codes but need breaks first They work but they go down half way and somtimes u push them they go all the way to the floor and stay there shut it off went in the store and they were back to normal any ideas ?

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[thz71]

What are the codes? Im gueasing u have a leak somwhere in a brake line

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[gmfan454]

Ok just got a 97 z71 350 Got a few things I need help with it's throwing 7 codes but need breaks first They work but they go down half way and somtimes u push them they go all the way to the floor and stay there shut it off went in the store and they were back to normal any ideas ?

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Mine did the exact same thing. I got my master cylinder replaced and brakes work great now. Your's is probably leaking internally like mine was.