Subaru Impreza 2002 Service Manual page 167

MECHANICAL
8. Valve Clearance
A: INSPECTION
CAUTION:
Inspection and adjustment of valve clearance
should be performed while engine is cold.
1) Set the vehicle on a lift.
2) Disconnect the battery ground cable.
3) Remove the air intake duct. <Ref. to IN(TUR-
BO)-8, REMOVAL, Air Intake Duct.>
4) Remove one bolt which secures the timing belt
cover (RH).
5) Lift-up the vehicle.
6) Remove the under cover.
7) Loosen the remaining bolts which secure timing
belt cover (RH), then remove the belt cover.
8) Lower the vehicle.
9) When inspecting #1 and #3 cylinders:
(1) Pull out the engine harness connector with
bracket from air cleaner upper cover.
(2) Remove the air cleaner case. <Ref. to
IN(TURBO)-7, REMOVAL, Air Cleaner.>
(3) Disconnect the spark plug cords from spark
plugs (#1 and #3 cylinders).
(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).
VALVE CLEARANCE
10) When inspecting #2 and #4 cylinders:
(1) Disconnect the battery cables, and then re-
move the battery and battery carrier.
(2) Remove the bolt which secures engine har-
ness bracket onto body.
G6M0095
(3) Disconnect the washer motor connectors.
(4) Remove the washer tank mounting bolts.
H2M1958
ME(STi)-28
H6M0426
H6M0429
H6M0430
B6M0561