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Home >> Acura >> 1997 >> Integra GS-R, 2D Coupe >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Disc Brakes) >> Testing >> Power Brake Unit >> Functional Test

Functional Test

WARNING: This page is about a different car, the 1996 Acura Integra and 1995 Acura Integra. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Press brake pedal several times. Press and hold pedal firmly for 15 seconds. If pedal sinks, master cylinder, brakeline, or caliper piston is faulty.
  2. Start engine with pedal pressed. If pedal sinks slightly, vacuum unit is working properly. If pedal height does not change, booster or check valve is faulty.
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