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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

brake problems

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Old Jun 16, 2014 | 05:29 PM
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brake problems

1991 f150 sat for many yrs, brake proportioning valve #f8tz2b373jrm corroded and not allowing brake fluid to rear. ford does not carry any more unable to find rebuild kit or part. is there a valve cross ref . several similar valves out there can only think diff in part # is due to truck weight. can any one help me.
 
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Old Jun 17, 2014 | 02:01 PM
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Jegs, summit racing and streetperformance all carry aftermarket adjustable valves. ranging from about $75 to $500.
 
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Old Jun 17, 2014 | 02:18 PM
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Comes up Anti lock valve/motor, you can simply bypass it if you wish to. If you need/rely on anti lock function then probably better off if you don't.

Proportioning valve is or should be up on the master cylinder, a small metal cartridge looking device (don't have an image handy) in place between the M/C rear brake line port and rear brake line. It limits fluid flow to rear wheels.
 
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