how to determin if master cyl is bad on a 1991 s10 ext cab 4x4

Asked by Mar 31, 2011 at 09:55 PM about the 1991 Chevrolet S-10 STD Extended Cab 4WD SB

Question type: Maintenance & Repair

1 Answer


If your break pedal feels spongy or it depresses all the way to the floor and you can hear air being forced out, its probably your Master Cyl. but check your break lines for any leaks of break fluid running down the drums first. Hope this helps you!

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