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Inspection
 
 
INSPECTION AFTER REMOVAL
 
 
Appearance
Check for correct assembly, damage and deterioration.
 
 
Check Valve Airtightness
  • Use a handy vacuum pump (commercial service tool) (A) to check.
    When connected to the booster side :
    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, –19.70 inHg).
    When connected to the engine side :
    Vacuum should not exist.
  • Replace vacuum hose assembly if vacuum hose and check valve are malfunctioning.