1993 Ford F-350 Repair Question
Ford F-350 Brakes Problem
Start by checking if there's a height-sensing proportioning valve in back with the brake line(s) going to it. Look for a linkage to the axle housing or leaf spring that is disconnected. They use that valve on most trucks and minivans because there can be such a wide variety of how the load is distributed front-to-rear. Its purpose is to balance the front and rear brakes under varying conditions.
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