LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 1992 >> Integra GS-R >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Disc >> Testing >> Power Brake Unit >> Functional Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Functional Test

  1. Start engine. Turn ignition off. Depress brake pedal several times. Depress pedal firmly and hold pressure for 15 seconds. If pedal sinks, master cylinder, brake line or caliper piston is faulty.
  2. Start engine with pedal depressed. If pedal sinks slightly, vacuum unit is working properly. If pedal height does not vary, booster or check valve is faulty.
scientia non olet · About LEMON Manuals