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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 713 (Brake System - General Information) >> Diagnosis And Testing >> Brake System >> Component Tests >> Brake Booster

Brake Booster

WARNING: This page is about a different car, the 2003 Ford RV Cutaway, 2003 Ford Econoline, 2003 Ford E550 Super Duty, 2003 Ford E450 Super Duty, and 2003 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. With the transmission in NEUTRAL and the engine stopped, apply the brakes several times to exhaust the vacuum in the vacuum boost system.
  2. Hold the brake pedal in the applied position.
  3. Start the engine.
  4. If the power brake system is functioning correctly, the brake pedal can be felt to move downward after the engine starts.
  5. With a vacuum type power brake booster, if engine vacuum is available to the power brake booster and no power assist is felt, install a new power brake booster and retest the system.

If power steering pump pressure is available to the Hydro-Boost power brake booster and no power assist is felt, install a new Hydro-Boost power brake booster and retest the system.

If power steering pump pressure is not available at the Hydro-Boost power brake booster, check the power steering pump pressure and flow. For additional information, refer to STEERING SYSTEM-GENERAL INFORMATION .

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