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+.

Hydraulic Brake Systems -> Adjustments -> Master Cylinder Pushrod
Vehicle: 2003 Lincoln Navigator 5.4 V8 GAS

Master Cylinder Pushrod

Refer to. "Adjustments" ...

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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 -> Adjustments -> Drums Installed -> Drums Removed -> Expedition, Explorer, F-150, F-250, Mountaineer & Navigator -> Parking Brake Except Rear Disc -> Parking Brake w/Rear Disc -> Service Brake
Vehicle: 2003 Lincoln Navigator 5.4 V8 GAS

Service Brake

The rear brake shoes adjust automatically when the vehicle is driven in reverse and the brakes are applied sharply several times. Manual adjustment is required only when brake shoes are replaced. When adjusting rear brakes, ensure parking brake is properly adjusted and adjuster is operating freely.

Drums Removed
  • With drums removed, clean areas where shoes contact backing plate, then apply suitable lubricant to contact areas. Ensure lubricant does not contaminate linings.
  • Adjust gauge to inside diameter of brake drum using suitable brake shoe adjusting gauge.
  • Reverse tool an...

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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+.

Hydraulic Brake Systems -> Component Replacement -> Aviator -> E-Series -> Escape -> Excursion & F-Super Duty -> Expedition, Explorer, Explorer Sport & Sport/Trac, F-150, F-250LD, Mountaineer & Navigator -> Less Hydro Max -> Master Cylinder -> Ranger -> Villager -> Windstar -> With Hydro-Max
Vehicle: 2003 Lincoln Navigator 5.4 V8 GAS

Master Cylinder

Aviator

Remove components in sequence illustrated,. Fig. .

E-Series
  • Drain brake master cylinder with suitable suction device.
  • Remove coolant reservoir.
  • On models equipped with Hydro Boost, remove three power distribution box bracket bolts and position box aside.
  • On all models, remove speed control deactivator switch.
  • Disconnect fluid level sensor connector.
  • Remove and discard master cylinder mounting nuts.
  • Disconnect master cylinder brake tubes.
  • Remove master cylinder cylinder.
  • Reverse procedure to install, noting the following:
    • Torque master cylinder mounting nuts to 1...

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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 -> Inspection -> Adjuster Mechanism -> Backing Plate -> Brake Drums -> Brake Linings & Springs -> Parking Brake Cable
Vehicle: 2003 Lincoln Navigator 5.4 V8 GAS

Brake Drums

Any time brake drums are removed for brake service, braking surface diameter should be inspected with a suitable micrometer at several points to determine if they are within the safe oversize limit stamped on the brake drum outer surface. If braking surface diameter exceeds specifications, the drum must be replaced. If braking surface diameter is within specifications, drums should be cleaned and inspected for cracks, scores, deep grooves, taper, out of round and heat spotting. If drums are cracked or heat spotted, they must be replaced.

Minor scores should be removed with ...

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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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