Valve Clearance - Subaru Impreza 2004 Service Manual

MECHANICAL

8. Valve Clearance

A: INSPECTION
Inspection and adjustment of the valve clearance
should be performed while engine is cold.
1) Set the vehicle on a lift.
2) Disconnect the ground cable from battery.
3) Remove the air
IN(H4DOTC)-8, REMOVAL, Air Intake Duct.>
4) Remove the bolts which secure the timing belt
cover (RH).
5) Lift-up the vehicle.
6) Remove the under cover.
7) Loosen the remaining bolts which secure the
timing belt cover (RH), and then remove the timing
belt cover.
8) Lower the vehicle.
9) When inspecting the #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(H4DOTC)-7, REMOVAL, Air Cleaner.>
(3) Disconnect the ignition coil connector.
(4) Remove the ignition coil.
(5) Place a suitable container under the vehicle.
(6) Disconnect the PCV hose from rocker cover
(RH).
(7) Remove the bolts, and then remove the
rocker cover (RH).
Valve Clearance
FU-00009
intake duct. <Ref.
ME-00012
ME(H4DOTC)-40
10) When inspecting the #2 and #4 cylinders:
(1) Disconnect the battery cable, and then re-
move the battery and battery carrier.
(2) Remove the bolt which secures the engine
harness bracket onto body.
to
(3) Disconnect the washer motor connectors.
(4) Remove the washer tank mounting bolts.
ME-00013
ME-00014
ME-00015
ME-00016