nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Vacuum Brake Booster|Service and Repair > < Brake Booster
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Vacuum Brake Booster: Testing and Inspection
Vacuum Lines

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 inHg) for 15 seconds under a vacuum of - 66.7 kPa
(- 500 mmHg, -19.69 inHg)

Vacuum Brake Booster|Service and Repair > < Brake Booster