1992 GMC Truck

1992 GMC TRUCK
220,000 MILES • 6 CYL • 2WD • AUTOMATIC
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DDBCD
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  • 1 POST
Brakes have been getting progresivly worse over last year. Have soft spongy pedal and weak breaks. New master cylinder, new calipers and wheel cylinders, new lines. I pump brakes for ever and will not get hard. Acts like master cylinder but if you plug line at master cylinder it holds. I have bled system about every way possible with no change. Like I said if I plug line going to front brakes I get hard pedal, if I plug line going to rear no change. The only thing I have no changed is preportioning valve. I have had this to three differint mechanics who could not fix.
Apr 11, 2009 at 9:20 PM
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RASMATAZ
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Does it have an ABS unit???????????????
Apr 18, 2009 at 9:10 PM