Toyota 2GR-FE Manual page 706

EC–16
EC
Clean Hose
Intake Manifold Side
Air
Clean Hose
2GR-FE EMISSION CONTROL – VENTILATION VALVE
REMOVAL
1.
2.
A135715E01
3.
A138519E01
INSPECTION
1.
Cylinder Head Side
Air
A113429E01
A105281E01
REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-23)
DISCONNECT VENTILATION HOSE
(a) Disconnect the ventilation hose from the ventilation
valve.
REMOVE VENTILATION VALVE
(a) Remove the ventilation valve.
INSPECT VENTILATION VALVE
(a) Install a clean hose to the ventilation valve.
(b) Check the ventilation valve operation.
(1) Blow air into the cylinder head side, and check
that air passes through easily.
NOTICE:
Do not suck air through the valve.
Petroleum substances inside the valve are
hazardous to your health.
(2) Blow air into the intake manifold side, and
check that air passes through with difficulty.
If the result is not as specified, replace the
ventilation valve.
(c) Remove the clean hose from the ventilation valve.