Subaru Legacy 2005 Service Manual page 1094

MECHANICAL
8. Valve Clearance
A: INSPECTION
Inspection and adjustment of valve clearance
should be performed while engine is cold.
1) Lift-up the vehicle.
2) Remove the under cover.
3) Lower the vehicle.
4) Remove the collector cover.
5) Disconnect the ground cable from battery.
6) Remove the air
IN(H4DOTC)-9, REMOVAL, Air Intake Duct.>
7) Remove the bolt which secures timing belt cover
(RH).
8) Loosen the remaining bolt which secures timing
belt cover (RH), then remove the timing belt cover.
9) When inspecting #1 and #3 cylinders:
(1) Remove the air cleaner case. <Ref. to
IN(H4DOTC)-8, REMOVAL, Air Cleaner Case.>
(2) Disconnect the connector from ignition coil.
(3) Remove the ignition coil.
(4) Place a suitable container under the vehicle.
(5) Disconnect the PCV hose from rocker cover
(RH).
(6) Remove the bolts, then remove the rocker
cover (RH).
10) When inspecting #2 and #4 cylinders:
(1) Disconnect the battery cable, and then re-
move the battery and battery carrier.
(2) Disconnect the connector of ignition coil.
(3) Remove the ignition coil.
(4) Place a suitable container under the vehicle.
(5) Disconnect the PCV hose from rocker cover
(LH).
(6) Remove the bolts, then remove the rocker
cover (LH).
Valve Clearance
IN-00203
intake duct. <Ref.
ME(H4DOTC)-28
11) Turn the crank pulley clockwise until arrow
mark on the cam sprocket is set to position shown
in the figure.
NOTE:
Turn the crankshaft using socket wrench.
12) Measure the clearance between #1 cylinder in-
take valve and #3 cylinder exhaust valve by using
thickness gauge (A).
NOTE:
• Insert the thickness gauge in a direction as hori-
to
zontal as possible with respect to the valve lifter.
• Measure the exhaust valve clearances while lift-
ing-up the vehicle.
Valve clearance :
Intake
±
0.20 0.02 mm (0.0079
Exhaust
±
0.35 0.02 mm (0.0138
• If the measured value is not within standard, take
notes of the value in order to adjust the valve clear-
ance later on.
13) If necessary, adjust the valve clearance. <Ref.
to ME(H4DOTC)-29, ADJUSTMENT, Valve Clear-
ance.>
ME-00733
±
0.0008 in)
±
0.0008 in)
( A )
ME-00019