B13197
PCV Valve
EC029-05
P02006
Clean Hose
Cylinder Head Side
P02477
Intake Manifold
Side
P12931
EC-4
-
EMISSION CONTROL
POSITIVE CRANKCASE VENTILATION (PCV)
SYSTEM
1064
Author:
Date:
2001 SIENNA (RM787U)
POSITIVE CRANKCASE
VENTILATION (PCV) SYSTEM
INSPECTION
1.
REMOVE PCV VALVE
(a)
Disconnect the PCV hose from the PCV valve.
(b)
Remove the PCV valve.
2.
INSTALL CLEAN HOSE TO PCV VALVE
3.
INSPECT PCV VALVE OPERATION
(a)
Blow air into the cylinder head side, and check that air
passes through easily.
CAUTION:
Do not suck air through the valve.
Petroleum substances inside the valve are harmful.
(b)
Blow air into the intake manifold side, and check that air
passes through with difficulty.
If operation is not as specified, replace the PCV valve.
4.
REMOVE CLEAN HOSE FROM PCV VALVE
5.
REINSTALL PCV VALVE
6.
VISUALLY INSPECT HOSES, CONNECTIONS AND
GASKETS
Check for cracks, leaks or damage.
Содержание RM787U
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