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Home >> Acura >> 1998 >> 3.0CL >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Disc Brakes) >> Testing >> Power Brake Unit >> Check Valve Test

Check Valve Test

WARNING: This page is about a different car, the 2000 Acura Integra, 1999 Acura Integra, 1999 Acura 3.0CL, and 1999 Acura 2.3CL. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect power brake unit vacuum hose at booster. Start and idle engine. Check for vacuum at booster end of hose. If vacuum is not available, vacuum source or check valve is faulty. Repair vacuum source or replace check valve, and retest.

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