have cahnged booster pads mastercylender calapers lines on my 90 ford f250 brakes on front still lock uo
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i have a 90 f250 4wheel drive have changed all brake parts on front to include the booster and master cylander brakes still lock up
Vehicle has excessive front end dive or locks rear brakes too easily
1.Check for worn, failed or seized brake proportioning valve and replace the valve.
2.Check for a seized, disconnected or missing spring or linkage for the brake proportioning valve. Replace missing parts or repair as necessary.