Symptom Chart

WARNING: This page is about a different car, the 2014 Lincoln MKX and 2014 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM DESCRIPTION

Condition	Possible Sources	Action
The red brake warning indicator is always illuminated	Parking brake not fully released Low brake fluid level Wiring, terminals or connectors Brake master cylinder inoperative	REFER to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES to diagnose the brake warning indicator circuit.
The parking brake does not apply	Parking brake cables Parking brake equalizer Rear brake calipers Parking brake control	GO to PINPOINT TEST A .
The parking brake will not release	Parking brake cables Parking brake control Rear brake calipers	GO to PINPOINT TEST B .
Rear brakes drag	Parking brake cables out of adjustment	ADJUST the parking brake cables. REFER to PARKING BRAKE CABLE ADJUSTMENT .
	Parking brake components	INSPECT the parking brake system for corrosion, rust or kinked cables. REPAIR or INSTALL new parking brake components as necessary.
	Rear brake caliper guide pins	INSPECT the brake caliper guide pins. REFER to BRAKE CALIPER GUIDE PINS .
	Brake caliper	INSPECT the brake caliper. REFER to BRAKE CALIPERS .
	Brake booster	CARRY OUT the Brake Booster Component Test. REFER to DIAGNOSIS AND TESTING .
	Brake master cylinder	CARRY OUT the Brake Master Cylinder Component Test. REFER to DIAGNOSIS AND TESTING .