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Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1239 (Brake System - General Information -- Excursion & F250-F550 Super Duty) >> Diagnosis And Testing >> Brake System >> Symptom Charts

Symptom Charts

WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART

Condition Possible Sources Action
  • The red brake warning indicator is always on
  • Brake fluid level.
  • FILL the brake fluid reservoir to the MAX line.
  • Circuitry.
  • Instrument cluster.
  • Red brake warning indicator inoperative
  • Circuitry.
  • Bulb.
  • The brakes pull or drift
  • Tire air pressure.
  • CHECK the tires for uneven or excessive wear, and correct inflation.
  • Brake pads.
  • Brake components.
  • CHECK the brake pads for uneven taper or excessive wear. REPAIR as necessary.
  • CHECK the brake discs and the hubs for damage. REPAIR as necessary.
  • Suspension component.
  • Wheel alignment.
  • Brake pedal goes down fast
  • Brake fluid level.
  • INSPECT the system for leaks. FILL the brake master cylinder reservoir. BLEED the system.
  • Air in system.
  • Brake master cylinder.
  • CARRY OUT the brake master cylinder component test.
  • The brake pedal eases down slowly
  • Air in system.
  • Brake master cylinder.
  • CARRY OUT the brake master cylinder component test.
  • Brake lockup under light brake pedal force
  • Brake pads.
  • CHECK the brake pads for uneven taper or excessive wear. REPAIR as necessary.
  • Brake component.
  • CHECK the brake components for correct operation. REPAIR as necessary.
  • Parking brake component.
  • REPAIR or INSTALL new components as necessary. REFER to PARKING BRAKE .
  • Anti-lock brake control system.
  • Excessive/erratic brake pedal travel
  • Leak in hydraulic system.
  • Air in system.
  • Disc brake caliper.
  • Brake master cylinder.
  • CARRY OUT the brake master cylinder component test.
  • Brake pads.
  • CHECK the brake pads for excessive wear.
  • Brake pedal.
  • CHECK the brake pedal for binding or obstructions. REPAIR as necessary.
  • Brakes drag
  • Parking brake component.
  • REPAIR or INSTALL new components as necessary. REFER to PARKING BRAKE .
  • Brake caliper guide pins.
  • Disc brake caliper.
  • Brake booster.
  • CARRY OUT the brake booster component test.
  • Brake master cylinder.
  • CARRY OUT the brake master cylinder component test.
  • Excessive brake pedal effort
  • Brake booster.
  • CARRY OUT the brake booster component test.
  • Brake booster check valve.
  • CARRY OUT the check valve component test.
  • Brake booster manifold vacuum hose.
  • REROUTE, REPAIR or INSTALL new components as necessary.
  • Rattling noise
  • Caliper mounting bolts loose.
  • Damaged or worn caliper guide pins or retainers.
  • CHECK the caliper guide pins and retainers for lubrication and correct operation. LUBRICATE or INSTALL new components as necessary. REFER to BRAKE CALIPER GUIDE PINS .
  • Missing or damaged anti-rattle clips or springs.
  • Loose brake disc shield.
  • Clicking noise - with brakes applied with anti-lock brake system (ABS)
  • ABS hydraulic control unit.
  • Acceptable condition.
  • Squealing noise - occurs on first (morning) brake application
  • Brake pads.
  • Acceptable condition. Caused by humidity and low brake pad temperature.
  • Squealing noise - a continuous squeal
  • Brake pads or linings worn below minimum thickness.
  • INSPECT brake pads for excessive wear, taper wear or uneven wear. VERIFY brake pads are within minimum specifications. REFER to BRAKE PADS .
  • Squealing noise - an intermittent squeal brought on by cold, heat, water, mud or snow
  • Brake pads.
  • Acceptable condition.
  • Groaning noise - occurs at low speeds with brake lightly applied (creeping)
  • Brake pads.
  • Acceptable condition.
  • Grinding noise - continuous
  • Brake pads or linings worn below minimum thickness.
  • INSPECT the brake pads, brake discs and attaching hardware for damage. VERIFY brake pads are within minimum specifications. REFER to BRAKE PADS .
  • Moaning noise
  • Brake linings contaminated with grease or oil.
  • Vibration when the brakes are applied
  • Uneven brake pad wear.
  • Brake disc pad transfer.
  • Brake disc.
  • Suspension components.
  • COMPLETE the brake system inspection described in Inspection and Verification.
  • GO to PINPOINT TEST B .
  • Brake vibration/shudder - occurs when the brake pedal is released
  • Brake caliper guide pins.
  • Brake drag.
SYMPTOM CHART - ADJUSTABLE PEDAL WITHOUT MEMORY

Condition Possible Sources Action
  • Adjustable brake pedal does not move
  • Switch.
  • Motor.
  • Circuits.
  • Cable.
  • Adjustable brake pedal moves forward only
  • Switch.
  • Circuitry.
  • Adjustable brake pedal moves rearward only
  • Switch.
  • Circuitry.
SYMPTOM CHART - ADJUSTABLE PEDAL WITH MEMORY

Condition Possible Sources Action
  • DTCs B1987, B1988 and B1989 - Pedal forward/rearward motor stalled
  • Switch.
  • Circuitry.
  • Driver seat module (DSM).
  • DTCs B1990 and B1991 - Pedal forward/rearward circuit fault
  • Sensor.
  • Circuitry.
  • No communication with the module
  • Driver seat module (DSM).
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