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This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist.

This SAE Standard applies to direct acting hydraulic power assist brake boosters only, of the type which provide "push through" manual braking of the static brake circuit(s) via a separate master cylinder, in event of inoperative power assistance similar to existing vacuum boosters (SAE J1808), for passenger cars and light trucks [4500 kg GVW (10 000 lb)].

This document specifies minimum test standards for direct acting hydraulic power assist brake booster of current established designs utilizing mineral oil based hydraulic fluids. It is applicable to assemblies from commercial production and after production shipment.

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Published: 02/17/2012