2003 Lincoln Navigator Brake Service (ONLINE REPAIR MANUALS)

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BRAKE SERVICE PROCEDURES FOR 2003 Lincoln Navigator AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lincoln Navigator cars and light trucks from 1990+.

Disc Brakes -> Description -> 1999-2001 -> 2002-03 -> Aviator -> E-Series -> Escape -> Excursion, F-Super Duty & Motorhome -> Expedition & Navigator -> Explorer & Mountaineer -> Explorer Sport/Sport Trac -> F-Series -> Front -> Ranger -> Rear -> Villager -> Windstar
Vehicle: 2003 Lincoln Navigator 5.4 V8 GAS

Aviator

Front

The Aviator utilizes a dual piston front brake caliper and a single piston rear brake caliper. The caliper floats on two guide pins that are bolted to the caliper and extend into the caliper anchor, Fig. .

Rear

The rear disc brake system utilizes a single piston brake caliper. The mechanical parking brake system uses a drum in hat system within the rear brake disc, Fig. .

E-Series

Front

The disc brake caliper is a pin slider, single piston design on the E-150 models and a pin slider dual piston design on the E-250, E-350, E-450 & E-550 models, Figs. through .

Rear

E-Series veh...

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BRAKE SERVICE PROCEDURES FOR 2003 Lincoln Navigator AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lincoln Navigator cars and light trucks from 1990+.

Anti-Lock Brakes -> Expedition & Navigator -> System Service -> ABS Control Module -> Bench -> Brake System Bleed -> Component Replacement -> Four Wheel Anti-Lock Brake System -> Front -> Gravity Bleed -> Hydraulic Control Unit (HCU) -> In Vehicle -> Manual Bleed -> Master Cylinder -> Pressure Bleed -> Rear -> Stability Control Sensor Cluster -> Steering Wheel Rotation Sensor -> Wheel Speed Sensor
Vehicle: 2003 Lincoln Navigator 5.4 V8 GAS

Brake System Bleed

Master Cylinder

When a new master cylinder has been installed, or the system has been emptied or partially emptied, the master cylinder should be primed.

In Vehicle
  • Disconnect brake master cylinder outlet tubes.
  • Install short tubes with ends submerged in brake master cylinder reservoir, then fill master cylinder reservoir with clean, suitable brake fluid.
  • Have an assistant pump brake pedal until clear fluid flows from both brake tubes without air bubbles.
  • Remove short tubes and install brake outlet tubes.
  • Bleed each tube at master cylinder as follows:
    • Have an assistant ...

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BRAKE SERVICE PROCEDURES FOR 2003 Lincoln Navigator AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lincoln Navigator cars and light trucks from 1990+.

Disc Brakes -> Troubleshooting -> Brake Noise -> Brake Pedal Eases Down Slowly -> Brake Pedal Goes Down Fast -> Brakes Drag -> Brakes Lock Up During Light Brake Pedal Force -> Brakes Pull Or Drift -> Excessive Brake Pedal Effort -> Excessive Or Erratic Brake Pedal Travel -> Red Brake Warning Indicator Always On
Vehicle: 2003 Lincoln Navigator 5.4 V8 GAS

Brakes Pull Or Drift

  • Tire air pressure.
  • Wheel alignment.
  • Brake pads, shoes or linings.
  • Brake or suspension components.

Red Brake Warning Indicator Always On

  • Instrument cluster.
  • Warning indicator circuit.
  • Parking brake.
  • Brake fluid level.

Brake Pedal Goes Down Fast

  • Brake fluid level.
  • Air in system.
  • Brake master cylinder fault.
  • Normal RABS or ABS function.

Brake Pedal Eases Down Slowly

  • Air in system.
  • Brake master cylinder fault.
  • Normal RABS or ABS function.

Brakes Lock Up During Light Brake Pedal Force

  • Disc or drum brake component.
  • Parking brake component...

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BRAKE SERVICE PROCEDURES FOR 2003 Lincoln Navigator AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lincoln Navigator cars and light trucks from 1990+.

Anti-Lock Brakes -> Expedition & Navigator -> Description
Vehicle: 2003 Lincoln Navigator 5.4 V8 GAS

The anti-lock brake system (ABS) module, with or without stability assist, simultaneously manages the anti-lock braking, traction control and engine control systems to maintain vehicle control during deceleration and acceleration. The ABS accomplishes this by communicating with the other modules over the high speed controller area network (HS-CAN) bus.

When the ignition switch is in the RUN position, the module carries out a preliminary electrical check and, at approximately 20 km/h (12 mph), the hydraulic pump motor is turned on for approximately one half-second. Any malfunction of...

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BRAKE SERVICE PROCEDURES FOR 2003 Lincoln Navigator AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lincoln Navigator cars and light trucks from 1990+.

Drum Brakes -> Expedition, Explorer, E-Series, F-Series, Mountaineer, Navigator & Ranger -> Parking Brake w/Rear Disc -> E-Series -> Expedition, Explorer, F-150, F-250, Mountaineer & Navigator -> F-Super Duty
Vehicle: 2003 Lincoln Navigator 5.4 V8 GAS

F-Super Duty

  • Raise and support vehicle, remove tire and wheel assemblies.
  • Remove rear brake disc rotor.
  • Disconnect rear parking brake cable at parking brake cable equalizer.
  • Disconnect parking brake cable at parking brake lever.
  • Remove outboard brake shoe retaining spring.
  • Remove brake shoe adjusting screw spring, brake shoe hold down springs and brake adjuster screw.
  • Remove parking brake shoe and linings along with inboard brake shoe retracting spring.
  • Reverse procedure to install.

Expedition, Explorer, F-150, F-250, Mountaineer & Navigator

  • Pull front parking brake cable and co...

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BRAKE SERVICE PROCEDURES FOR 2003 Lincoln Navigator AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Lincoln Navigator cars and light trucks from 1990+.

Disc Brakes -> Caliper Service -> Assemble -> Aviator -> Cleaning & Inspection -> Disassemble -> E & F Series -> E-150, E-250, E-350 & E-450 -> E-250, E-350 & E-550 -> E-450 -> E-550 -> E-Series -> Escape -> Excursion, Expedition, F-Super Duty, Motorhome & Navigator -> Excursion, F-Super Duty & Motorhome -> Expedition & Navigator -> Explorer & Mountaineer -> Explorer Sport/Sport Trac -> Explorer, Explorer Sport/Sport Trac, Mountaineer & Ranger -> F-Series -> Front -> Inspection -> Installation -> Overhaul -> Ranger -> Rear -> Removal -> Replacement -> Villager -> Villager & Windstar -> Windstar
Vehicle: 2003 Lincoln Navigator 5.4 V8 GAS

Replacement

Aviator
Front
  • Raise and support vehicle.
  • Remove front tire and wheel assemblies.
  • Remove components in sequence, Fig. .
  • Reverse procedure to install.
Rear

Refer to Fig. , and remove rear brake components in sequence listed.

E-Series
Front
E-150, E-250, E-350 & E-450
  • Raise and support vehicle, remove front tire and wheel assemblies.
  • Unclip speed sensor wiring from front brake hose.
  • Disconnect and plug front brake caliper hose from caliper. Discard copper sealing rings.
  • Remove two disc caliper mounting bolts, then the caliper, Fig. .
  • Reverse procedure to install, noting the following:
    • F...

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