Thermal Vacuum Valve: Testing and Inspection

CAUTION
1. Do not use a wrench on the plastic section when removing or installing the EGR TVV.
2. When installing, apply a coat of sealant to the threads, and tighten to the specified torque.
3. When disconnecting the vacuum hose, make an identification mark on it so that it can be reconnected to the original position.

Torque TVV: 20 - 40 Nm (14 - 29 lb.ft)





1. Disconnect the vacuum hoses from the EGR TVV, and connect a manual vacuum pump to the EGR TVV.





2. Apply a vacuum and check the air passage through the EGR TVV.