infiniti Workshop Repair Guides

Infiniti Workshop Service and Repair Manuals

Relays and Modules - Brakes and Traction Control > < Brake Booster|Page 5665
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Vacuum Brake Booster Check Valve: Testing and Inspection

CHECK VALVE INSPECTION 

Air tightness Inspection 

Use a handy vacuum pump to check.

When connected to booster side (1): Vacuum decrease should be within 1.3 kPa (10 mmHg, 0.39 inHg) for 15 seconds under a vacuum of -66.7
kPa (-500 mmHg, -19.69 inHg)
When connected to engine side (2): No vacuum will be applied

Relays and Modules - Brakes and Traction Control > < Brake Booster|Page 5665