Positive Crankcase Ventilation (Pcv) System Inspection - Lexus 2005 IS300 User Manual

EC-4
Cylinder Head Side
Side
Line
2005 LEXUS IS300 (RM1140U)
EMISSION CONTROL
PCV Valve
B12524
Clean Hose
P02006
Intake Air
Connector Side
P02477
55°
B12525
- POSITIVE CRANKCASE VENTILATION (PCV)
SYSTEM
POSITIVE CRANKCASE
VENTILATION (PCV) SYSTEM
INSPECTION
1. REMOVE ENGINE COVER
Remove 4 nuts and engine cover.
2. REMOVE PCV VALVE
(a) Disconnect the PCV hose from the PCV valve.
(b) Remove the PCV valve.
3. INSTALL CLEAN HOSE TO PCV VALVE
4. INSPECT PCV VALVE OPERATION
(a) Blow air into the cylinder head side, and check that air
passes through easily.
CAUTION:
F
Do not suck air through the valve.
F
Petroleum substances inside the valve are harmful.
(b) Blow air into the intake air connector side, and check that
air passes through with difficulty.
If operation is not as specified, replace the PCV valve.
5. REMOVE CLEAN HOSE FROM PCV VALVE
6. REINSTALL PCV VALVE
The port faces in the direction indicated in the illustration.
Author :
EC04X-09
Date :
1369