Subaru IMPREZA GD 2007 Series Manual page 2457

asieps_tobira_IM_US.book 56 ページ ２０１２年１月１７日 火曜日 午後３時４８分
MECHANICAL
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)-44,
REMOVAL, V-belt.>
2) Remove the crank
ME(H4DOTC)-46, REMOVAL, Crank Pulley.>
3) Remove the timing belt cover. <Ref. to
ME(H4DOTC)-47, REMOVAL, Timing Belt Cover.>
4) Remove the timing belt. <Ref. to ME(H4DOTC)-
48, REMOVAL, Timing Belt.>
5) Remove the actuator cover of the intake cam
sprocket.
6) Fasten the cam sprocket and remove from the
cam shaft using ST.
ST 499207400 CAM SPROCKET WRENCH
ST 499977500 CAM SPROCKET WRENCH
B: INSTALLATION
1) Fasten the cam sprocket and install to the cam
shaft using ST.
NOTE:
Do not confuse the cam sprockets (LH) and (RH)
during installation.
ST 499207400 CAM SPROCKET WRENCH
Cam Sprocket
Tightening torque:
pulley. <Ref. to
ST 499977500
Tightening torque:
2) Attach the actuator cover of the intake cam
ME-00709
sprocket.
NOTE:
Use new O-rings.
Tightening torque:
3) Install the timing belt. <Ref. to ME(H4DOTC)-50,
INSTALLATION, Timing Belt.>
4) Install
ME(H4DOTC)-47, INSTALLATION, Timing Belt
Cover.>
5) Install the crank pulley. <Ref. to ME(H4DOTC)-
ME-00710
46, INSTALLATION, Crank Pulley.>
6) Install the V-belts. <Ref. to ME(H4DOTC)-44,
INSTALLATION, V-belt.>
C: INSPECTION
1) Check the cam sprocket teeth for uneven wear
and scratches.
2) Make sure there is no free play between cam
sprocket and key.
ME(H4DOTC)-56
Tighten to 30 N·m (3.1 kgf-m, 22.1 ft-lb) of
torque, and then tighten further by 45°.
CAM SPROCKET WRENCH
Tighten to 30 N·m (3.1 kgf-m, 22.1 ft-lb) of
torque, and then tighten further by 45°.
3.4 N·m (0.3 kgf-m, 2.5 ft-lb)
the timing belt
ME-00709
ME-00710
cover. <Ref. to