infiniti Workshop Repair Guides

Infiniti Workshop Service and Repair Manuals

Relays and Modules - Brakes and Traction Control > < Brake Booster|Page 10372
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Vacuum Brake Booster Check Valve: Testing and Inspection

Inspection

VISUAL INSPECTION
Check for improper assembly, damage and deterioration.

CHECK VALVE INSPECTION

Airtightness Inspection

Use a suitable vacuum pump to check. Connect to brake booster side of check valve.
Check valve specification: Vacuum decrease should be within 1.3 kPa (10 mmHg, 0.39 inch Hg) for 15 seconds under a vacuum of -66.7 kPa
(-500 mmHg, -19.69 inch Hg)

Relays and Modules - Brakes and Traction Control > < Brake Booster|Page 10372