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Howie 10/24/2011

1997 GMC K1500 Sierra SLE 8 Cyl 5.70L


soft brake pedal, mastercylinder went dry. bled brakes all around.

when bleeding back brakes very little to no fluid unless i pump the brake pedal (engine running)
with just a depress and hold very little to no fluid.
i have fluid coming from master cylinder to abs, but nothing from abs to rear wheels, front works great.

1 Answer

Spoon Sports

Spoon Sports 10/24/2011

Start with the wheel closest to the master and end with the one the farthest away. If you've been opening the bleeders and just pumping the pedal you most likely have a whole lot of air in the line now so it may take a while to get it all out. Have you checked you proportioning valve?

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