Inspection

VACUUM LINES


Inspection


INSPECTION AFTER REMOVAL

Appearance
Check for correct assembly, damage and deterioration.

Check Valve Airtightness





- Use a handy vacuum pump (A) to check.

When connected to the booster side (B):
Vacuum should decrease within 1.3 kPa (9.8 mmHg.0.38 inHg) for 15 seconds under a vacuum of 66.7 kPa (-500 mmHg. -19.69 inHg).
When connected to the engine side (C):
Vacuum should not exist.

- Replace vacuum hose assembly if vacuum hose and check valve are malfunctioning.