nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

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Vacuum Brake Booster: Service and Repair
Vacuum Piping

VACUUM PIPING

Removal and Installation 

CAUTION: When installing vacuum hoses, pay attention to the following points.

Do not apply any oil or lubricants to vacuum hose with check valve.
Insert vacuum tube into vacuum hose as shown.
Install vacuum hose with internal check valve, paying attention to its direction.

Inspection 
HOSES AND CONNECTORS 
Check vacuum lines and connections for airtightness, improper attachment, chafing and deterioration.

CHECK VALVE 

Check vacuum with a vacuum pump.

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