Subaru 2009 IMPREZA Service Manual page 1117

16.Cam Sprocket
A: REMOVAL
NOTE:
Perform the work with the engine installed to body
when replacing a single part.
1) Remove the V-belts. <Ref. to ME(H4DOTC)-40,
REMOVAL, V-belt.>
2) Remove the crank
ME(H4DOTC)-47, REMOVAL, Crank Pulley.>
3) Remove the timing belt cover. <Ref. to
ME(H4DOTC)-49, REMOVAL, Timing Belt Cover.>
4) Remove the timing belt. <Ref. to ME(H4DOTC)-
50, REMOVAL, Timing Belt.>
5) Remove the actuator cover of the intake cam
sprocket.
6) Fasten the cam sprocket and remove from the
camshaft using ST.
ST 499207400 CAM SPROCKET WRENCH
ST
ST 499977500 CAM SPROCKET WRENCH
ST
Cam Sprocket
pulley. <Ref. to
ME-03282
ME-03283
ME(H4DOTC)-59
B: INSTALLATION
1) Fasten the cam sprocket and install to the cam-
shaft using ST.
NOTE:
Do not confuse cam sprockets (LH) and (RH) dur-
ing installation.
ST 499207400 CAM SPROCKET WRENCH
Tightening torque:
Tighten to 30 N·m (3.1 kgf-m, 22.1 ft-lb) of
torque, and then tighten further by 45°.
ST
ST 499977500 CAM SPROCKET WRENCH
Tightening torque:
Tighten to 30 N·m (3.1 kgf-m, 22.1 ft-lb) of
torque, and then tighten further by 45°.
ST
2) Install the actuator cover of the intake cam sprocket.
NOTE:
Use new O-rings.
Tightening torque:
3.4 N·m (0.3 kgf-m, 2.5 ft-lb)
3) Install the timing belt. <Ref. to ME(H4DOTC)-52,
INSTALLATION, Timing Belt.>
4) Install the timing belt cover. <Ref. to ME(H4DOTC)-
49, INSTALLATION, Timing Belt Cover.>
5) Install the crank pulley. <Ref. to ME(H4DOTC)-
47, INSTALLATION, Crank Pulley.>
6) Install the V-belts. <Ref. to ME(H4DOTC)-40,
INSTALLATION, V-belt.>
C: INSPECTION
1) Check the cam sprocket teeth for abnormal wear
and scratches.
2) Make sure there is no free play between cam
sprocket and key.
MECHANICAL
ME-03282
ME-03283