Subaru 2002 IMPREZA Service Manual page 1099

16.Camshaft Sprocket
A: REMOVAL
1) Remove the V-belt. <Ref. to ME(TURBO)-44,
REMOVAL, V-belt.>
2) Remove the crankshaft
ME(TURBO)-46, REMOVAL, Crankshaft Pulley.>
3) Remove the belt cover. <Ref. to ME(TURBO)-
47, REMOVAL, Belt Cover.>
4) Remove the timing belt assembly. <Ref. to
ME(TURBO)-48, REMOVAL, Timing Belt Assem-
bly.>
5) Remove the camshaft position sensor. <Ref. to
FU(TURBO)-31, REMOVAL, Camshaft Position
Sensor.>
6) Remove the camshaft sprockets. To lock the
camshaft, use ST.
ST 18231AA010 CAMSHAFT SPROCKET
WRENCH (Intake LH)
ST 499207400 CAMSHAFT SPROCKET
WRENCH (Except Intake LH)
CAMSHAFT SPROCKET
pulley. <Ref. to
ST
EN1320
ME(TURBO)-57
B: INSTALLATION
1) Install the camshaft sprocket No. 1. and No. 2.
To lock the camshaft, use ST.
ST 18231AA010 CAMSHAFT SPROCKET
WRENCH (Intake LH)
ST 499207400 CAMSHAFT SPROCKET
WRENCH (Except Intake LH)
Tightening torque:
98 N·m (10 kgf-m, 72.4 ft-lb)
CAUTION:
Do not confuse the right and left side camshaft
sprockets during installation. The camshaft
sprocket No. 2 is identified by a projection used
to monitor camshaft position sensor.
2) Install the camshaft position sensor. <Ref. to
FU(TURBO)-31, INSTALLATION, Camshaft Posi-
tion Sensor.>
3) Install the timing belt assembly. <Ref. to
ME(TURBO)-50, INSTALLATION, Timing Belt As-
sembly.>
4) Install the belt cover. <Ref. to ME(TURBO)-47,
INSTALLATION, Belt Cover.>
5) Install the crankshaft pulley. <Ref. to ME(TUR-
BO)-46, INSTALLATION, Crankshaft Pulley.>
6) Install the V-belt. <Ref. to ME(TURBO)-45, IN-
STALLATION, V-belt.>
C: INSPECTION
1) Check the sprocket teeth for abnormal wear and
scratches.
2) Make sure there is no free play between sprock-
et and key.
3) Check the crankshaft sprocket notch used for
sensor for damage and contamination of foreign
matter.
MECHANICAL
ST
EN1320