infiniti Workshop Repair Guides

Infiniti Workshop Service and Repair Manuals

Relays and Modules - Brakes and Traction Control > < Brake Booster|Page 9573
Page 1
background image

Vacuum Brake Booster Check Valve: Testing and Inspection

CHECK VALVE INSPECTION 

Airtightness Inspection 

Use a handy vacuum pump to check.
When connected to booster side (1): 

Vacuum decrease should be within 1.3 kPa (10 mm Hg, 0.39 inch Hg) for 15 seconds under a vacuum of -66.7 kPa (-500 mm Hg, -19.69 inch
Hg)

When connected to engine side (2):

No vacuum will be applied

Relays and Modules - Brakes and Traction Control > < Brake Booster|Page 9573