Front brakes locking up

Asked by GuruZ4BKH Oct 05, 2017 at 05:51 PM about the Chevrolet C/K 1500

Question type: General

I have new rotars,new calipers,new booster,new
master cylinder,new brake lines,new shoes,and
after months of mechanic telling me go get all
these parts,the truck is no better,still locks up and I
have to release the fluid from the calipers so I can
continue.Mechanic said he replaced a pressure
relieve valve but he took it off an old truck of
his.My truck is a 85 chevy and im thru with this
mechanic and need some better direction.

5 Answers

1,480

Best not to blame the messenger. Your mechanic was correct in the path to determine cause of this issue. How much pedal you have before this happens? It's happening straight away or just intermittently?

10 people found this helpful.
230

I'm having this same problem but with a 1997 k1500. It doesn't do it right away. It starts locking up after having to stop 3 or 4 times

23 people found this helpful.
30

did you ever figure out why it’s doingthis? i have a 1996 and mine does it after three or four times hitting the brakes as well.

3 people found this helpful.
20

Your proportioning valve is sticking no rear brake you have to reset the valve

2 people found this helpful.

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