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1990 Chevrolet C K1500 W/T Ext Cab

1990 Chevrolet C K1500
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November 8, 2012, 6:11 am

Charles T

Question: Brakes Problems

I put, new drums, new shoes, new pads,& a remam. master cylinder, bled all wheel cylinders & master cylinder.
I have a good pedal with engine off. when I start the engine
the pedal goes to the floor. what is wrong ?
Thank You

November 9, 2012, 6:02 pm

Ron W
Expert Mechanic

If it has anti lock brakes, you need a scantool to bleed the rear brakes properly. You can bleed it forever, but will never get a good pedal as air is trapped in the antilock motor pack. You may need a shop to help you.

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