494 BRAKE SYSTEM b.) With Vacuum Booster Operation: Operation is similar as described above with the introduction of vacuum booster. Booster provides power assistance by boosting up mechanical effort applied at the brake pedal on the hydraulic master cylinder attached to it, using vacuum. Vacuum supplied to the booster unit is obtained from the vacuum created in the engine inlet manifold. Note: Detailed working of brake booster is given in Component Description of brake system.
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