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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 41 (Disc Brakes & Drum Brakes) >> Description & Operation >> System Components >> Brake Booster

Brake Booster

WARNING: This page is about a different car, the 2003 Ford Windstar and 2002 Ford Windstar. However, it is still accessible from the selected car via links, so may be relevant.

The power brake booster is a dual-diaphragm, vacuum-assisted power brake booster. See Figure . The power brake booster reduces brake pedal pressure and travel distance. The power brake booster is divided into separate vacuum and atmospheric chambers by the diaphragms.

The power brake booster check valve is located on the front of the power brake booster. Check valve is positioned between the power brake booster and the power brake booster vacuum hose. The check valve closes when the engine is turned off. In the closed position, the check valve traps engine vacuum in the power brake booster. The check valve retains vacuum to provide several power assisted brake applications with the engine off.

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