Crankcase Emission Control - Mitsubishi Eclipse Workshop Manual

17-8
EMISSION CONTROL
-
Service Adjustment
Procedures
CRANKCASE EMISSION CONTROL
SYSTEM
ElTFAAEO
Positive crankcase
ventilation
valve
Ventilation
hose
+
Blow-by
gas
+
Fresh air
Vehicle
tront
(:l
@Mit3ubiihi
tloto'sCorporrtion
Apr. 1991
tIl
rocker
lli'
From
coVer
*
6EX0r3
C
I
POSITIVE CRANKCASE VENTIIÄNON
SYSTEM
System Inspection
(1)
Remove
the ventilation
hose
from the
positive crankcase
ventilation
valve.
(2)
Remove
the positive crankcase ventilation valve
from
the
rocker cover.
(3) Reinstall the
positive crankcase ventilation valve
at
the
ventilation
hose.
(4)
Start the engine and run at
idle.
(5)
Place
a finger at the opening of the positive
crankcase
ventilation valve and confirm that negative pressure of the
intake manifold is felt.
NOTE
At this
moment,
the plunger
in
the positive
crankcase
ventilation valve moves forward and
bachryard.
(6) lf
negative pressure is not felt. clean the positive crankcas
ventilation valve
or
replace
it.
(7) Tighten
the
positive crankcase ventilation valve with the
specified torque.
Tightening
torque:
1O
Nm (1.0 kgm, 7.2 ft.lbs.l
Positive Crankcase Ventilation (PCVI Vahrc Inspection
(1)
Slide
in a narrow
stick at the threaded side of the positive
crankcase ventilation valve and make sure that the plu
(2) lf the plunger does not
move, there is a clogging
in
positive crankcase ventilation valve. ln this case. clean
replace the
valve.
'\_z
a +
":/5
PmrE9010