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Home >> Subaru >> 2006 >> Baja Base, Automatic >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Mechanical >> Brake Booster >> Inspection >> Operation Check (Without Gauges) >> Loaded air tightness check

Loaded air tightness check

Depress brake pedal while engine is running, and turn off engine while the pedal is still depressed. Keep the pedal depressed for 30 seconds; if no change occurs in the pedal height, brake booster is functioning normally; if the pedal height increases, it is faulty.

NOTE: If faulty, check precisely with gauges.
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