Air Bypass Valve: Testing and Inspection

TURBOCHARGER BYPASS VALVE CHECK





1. Remove the turbocharger bypass valve.
2. Connect the hand vacuum pump to the nipple of the turbocharger bypass valve.
3. Apply a negative pressure of approximately 50 kPa (14.8 in.Hg) and check that air tightness is maintained.
4. Also check operation of the valve.