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Home >> Mercury >> 2007 >> Montego Base, FWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Power Brake Actuation -- Brake Booster >> Description And Operation >> Brake Booster

Brake Booster

The power brake actuation system consists of the following components:

Pedal pressure is amplified by the brake booster. The brake booster uses engine vacuum from the intake manifold. The low pressure in the intake manifold is applied to a rubber diaphragm on the vacuum side of the brake booster chamber, which then pulls the piston rod in when the brakes are applied to supply a power assist. The piston rod is connected to the brake pedal.

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