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Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> Brakes >> Parking Brake System - Parking Brake & Actuation >> Diagnostic Routine(S) >> Diagnostic Routine A >> Diagnostic Overview >> The Parking Brake Does Not Apply Or Does Not Hold Vehicle >> Normal Operation

Normal Operation

When the parking brake control pedal is pressed, the pedal should move a short distance, with more pressure needed to apply the pedal as it gets closer to the floor, until the parking brake is fully applied. When the parking brake control is pressed, tension is applied to the front parking brake cable. This tension pulls on the RH rear parking brake cable, which is attached to the RH rear parking brake actuator, and applies the RH rear brake caliper. At the same time, the tension in the front cable causes the RH cable conduit to attempt to straighten out. This straightening effect causes tension that pulls the LH rear cable, which is attached to the LH rear parking brake actuator, and applies the LH rear brake caliper.