Subaru 2009 IMPREZA Service Manual page 311

22.Oil Switching Solenoid Valve
A: REMOVAL
1. RH SIDE
1) Disconnect the ground cable from battery.
2) Remove the air intake chamber. <Ref. to
IN(H4SO)-7, REMOVAL, Air Intake Chamber.>
3) Remove the bolt, and disconnect the engine har-
ness connector from the bulkhead harness connec-
tor and rear engine hanger.
4) Slide the bulkhead harness connector in the di-
rection of the arrow and remove it from the rear en-
gine hanger.
5) Disconnect the connector from the oil switching
solenoid valve.
6) Remove the oil switching solenoid valve.
7) Remove the variable valve lift diagnosis oil pres-
sure switch. <Ref. to FU(H4SO)-39, REMOVAL,
Variable Valve Lift Diagnosis Oil Pressure Switch.>
8) Remove the oil temperature sensor. <Ref. to
FU(H4SO)-40, REMOVAL, Oil Temperature Sen-
sor.>
Oil Switching Solenoid Valve
9) Remove the oil switching solenoid valve holder
from the cylinder head.
IN-00203
2. LH SIDE
1) Disconnect the ground cable from battery.
FU-03924
2) Remove the V-belts. <Ref. to ME(H4SO)-39,
REMOVAL, V-belt.>
3) Remove the crank pulley. <Ref. to ME(H4SO)-
46, REMOVAL, Crank Pulley.>
4) Remove the timing belt cover. <Ref. to
ME(H4SO)-48, REMOVAL, Timing Belt Cover.>
5) Remove the timing belt. <Ref. to ME(H4SO)-49,
REMOVAL, Timing Belt.>
6) Remove the cam sprocket. <Ref. to ME(H4SO)-
54, REMOVAL, Cam Sprocket.>
7) Remove the timing belt cover No. 2 (LH).
8) Disconnect the connector from the oil switching
solenoid valve.
FU-03925
9) Remove the oil switching solenoid valve.
10) Remove the variable valve lift diagnosis oil
pressure switch. <Ref. to FU(H4SO)-39, REMOV-
AL, Variable Valve Lift Diagnosis Oil Pressure
Switch.>
ME(H4SO)-93
(A)
(B)
(E)
(A) Oil switching solenoid valve
(B) Variable valve lift diagnosis oil pressure switch
(C) Oil temperature sensor
(D) Oil switching solenoid valve holder
(E) Gasket
MECHANICAL
(C)
(D)
ME-02726
IN-00203