1997 Ford F150 sticking brakes

1997 FORD F-150
148,000 MILES • 6 CYL • 2WD • AUTOMATIC
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JIMNNORM
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  • 1 POST
My brakes stick. When I start to accelerate from a stop I can feel the front sticking like I still have my foot on the pedal. This does not happen all the time but it is getting worse. I have changed both front calipers and rotors. The ABS light has been on for a long time but the brakes always worked fine until recently. The ABS is only for the rear brakes so I don't think it is the problem. Could the master cylinder be causing this problem?
Mar 12, 2010 at 3:40 PM
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MERLIN2021
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  • 17,250 POSTS
First when it locks up, jack it up, open a bleeder, if the wheel now spins, replace the hose, if it remains stuck, change the caliper. This is if the brake fluid has not been contaminated by the wrong fluid being used! Is the rubber seal on the master OK, or swollen? If swollen the fluid may have been contaminated by a petroleum based fluid...if this is the problem, all brake parts made of rubber must be replaced, and the lines cleaned with alcohol, or brakkleen, and blow compressed air thru the lines after. I will send you testing info for the ABS sytem, You are sure it's not four wheel ABS system? The RABS valve on the rear differential is the most common failure on these.
Mar 12, 2010 at 4:07 PM