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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 484 (Disc Brakes) >> Description & Operation >> Vacuum Brake Assist System Description >> Supplemental Brake Assist

Supplemental Brake Assist

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The Supplemental Brake Assist (SBA) unit creates vacuum for the brake booster in case of a vacuum loss or low vacuum to the brake booster.

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