2008 Ford Focus Brake Service (ONLINE REPAIR MANUALS)

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We have info for following modifications of 2008 Ford Focus

  • 2008 Ford Focus SE 2.0 L4 GAS, CID:121, Fuel Injection, Aspiration:121, Engine VIN:, Desg:N
  • 2008 Ford Focus S 2.0 L4 GAS, CID:121, Fuel Injection, Aspiration:121, Engine VIN:, Desg:N

BRAKE SERVICE PROCEDURES FOR 2008 Ford Focus AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2008 Ford Focus cars and light trucks from 1990+.

Power Brake Units -> Description -> Bendix Diaphragm System -> Bendix Hydro-Boost System -> Vacuum Assist Diaphragm System
Vehicle: 2008 Ford Focus SE 2.0 L4 GAS

Bendix Diaphragm System

These units are of the vacuum suspended system. Some units are of the single diaphragm system, while others are of the tandem diaphragm system. Both single piston and double piston or split system master cylinders are used.

The vacuum suspended diaphragm system units utilize engine manifold vacuum and atmospheric pressure for its power. It consists of three basic elements combined into a single power unit. The three basic elements of the single diaphragm system are:

  • Vacuum power section which includes front and rear shell, power diaphragm, return spring and push...

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BRAKE SERVICE PROCEDURES FOR 2008 Ford Focus AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2008 Ford Focus cars and light trucks from 1990+.

Disc Brakes -> Front Disc Brakes -> Brake System Bleed -> System Priming -> Wheel Bleeding Sequence
Vehicle: 2008 Ford Focus S 2.0 L4 GAS

Pressure bleeding is recommended for all hydraulic disc brake systems.

Do not reuse brake fluid drained from the hydraulic system when bleeding the brakes. Ensure disc brake pistons are returned to their normal positions and the shoe and lining assemblies are properly seated.

Do not shake the pressure bleeder tank while air is being added or after it has been pressurized. This will prevent air from the tank getting into the lines. Do not move the tank during the bleeding operation. The tank should be kept at least one third full.

On models equipped with power brakes, exhaust the...

CLICK HERE TO GET FULL ACCESS TO 2008 Ford Focus BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 2008 Ford Focus AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2008 Ford Focus cars and light trucks from 1990+.

Power Brake Units -> Troubleshooting -> Bendix Diaphragm System -> Bendix Hydro-Boost System -> Brakes Grab -> Erratic Booster Operation, Binding, Grabbing Or Sticking -> Hard Pedal Or No Assist -> No Or Slow Release -> No Power Assist
Vehicle: 2008 Ford Focus S 2.0 L4 GAS

Power brake operation concerns should be handled as if two separate systems exist.

  • Inspect for faults in hydraulic system first.
  • If hydraulic system is satisfactory, inspect power brake circuit.
  • Press brake pedal firmly and then start engine.
  • Pedal should fall away slightly and less pressure should be needed to maintain pedal in any position.
  • Install of suitable pressure gauge in brake hydraulic system.
  • Record pressure with engine off and power unit not operating.
  • Maintain pedal height, start engine and record measurement.
  • There should be substantial pressure increase in second measurem...

CLICK HERE TO GET FULL ACCESS TO 2008 Ford Focus BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 2008 Ford Focus AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2008 Ford Focus cars and light trucks from 1990+.

Power Brake Units -> Power Brake Unit Service -> 4.6L Engine -> Crown Victoria, Grand Marquis & Town Car -> Focus -> Fusion, Milan & MKZ -> MKS, Sable, Taurus & Taurus X -> Mustang -> Overhaul -> Power Booster, Replace
Vehicle: 2008 Ford Focus SE 2.0 L4 GAS

Power Booster, Replace

Crown Victoria, Grand Marquis & Town Car
  • Disconnect fluid level sensor connector.
  • Position speed control cable aside.
  • Disconnect power brake booster check valve.
  • Remove brake master cylinder mounting nuts.
  • Remove wiring harness bracket and position aside.
  • Remove brake master cylinder and position aside.
  • Remove push-pins and instrument close-out panel.
  • Remove stoplight switch retaining pin.
  • Slide stoplight switch and booster push rod off brake pedal pin.
  • Remove mounting nuts and power brake booster.
  • Reverse procedure to install. Torque mounting nuts to 16-21 f...

CLICK HERE TO GET FULL ACCESS TO 2008 Ford Focus BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 2008 Ford Focus AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2008 Ford Focus cars and light trucks from 1990+.

Anti-Lock Brakes -> Focus -> Troubleshooting -> Inspection & Verification
Vehicle: 2008 Ford Focus S 2.0 L4 GAS

Inspection & Verification

  • Verify ABS system concern by applying brakes under various driving conditions.
  • Perform a visual inspection of brake system for signs of mechanical or electrical damage.
  • Inspect the following for mechanical faults:
    • Low brake fluid.
    • Wheel speed sensors.
    • Anti-lock brake system sensor indicators.
    • Base brake system.
    • Wheel bearings.
  • Inspect the following for mechanical faults:
    • Fuses and fusible links.
    • ABS warning indicator lamp.
    • Red brake warning indicator lamp.
    • Wiring harness.
    • Loose, corroded or damaged connectors.
  • If a fault is found during visual inspection, repair as re...

CLICK HERE TO GET FULL ACCESS TO 2008 Ford Focus BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 2008 Ford Focus AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2008 Ford Focus cars and light trucks from 1990+.

Anti-Lock Brakes -> Focus -> System Service -> 2008-09 -> ABS Control Module -> Accelerometer Sensor -> Brake System Bleed -> Component Replacement -> Front -> Hydraulic Control Unit (HCU) -> Module Configuration -> Rear -> Steering Wheel Rotation Sensor -> System Priming -> Wheel Bleeding Sequence -> Wheel Speed Sensor -> Yaw Rate Sensor
Vehicle: 2008 Ford Focus S 2.0 L4 GAS

Brake System Bleed

Pressure bleeding is recommended for all hydraulic brake systems. Ensure all dirt and contaminants are removed from master cylinder area prior to removing reservoir cap.

To prevent air from the pressure tank getting into the lines, do not shake the tank while air is being added to the tank or after it has been pressurized. Set the tank in the required location, bring the air hose to the tank, and do not move it during the bleeding operation. The tank should be kept at least one-third full.

On vehicles equipped with disc brakes and master cylinders without proporti...

CLICK HERE TO GET FULL ACCESS TO 2008 Ford Focus BRAKE SERVICE PROCEDURES

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