Camshaft Sprocket - Subaru 2002 IMPREZA Service Manual

m
MECHANICAL
CAMSHAFT SPROCKET
16.Camshaft Sprocket
A: REMOVAL
1) Remove the V-belt. <Ref. to ME(D0HC TUR-
BO)-44, REMOVAL, V-belt.>
2) Remove the crankshaft pulley. <Ref. to
ME(D0HC TURBO)-46, REMOVAL, Crankshaft
Pulley.>
3) Remove the belt cover. <Ref. to ME(D0HC
TURBO)-47, REMOVAL, Belt Cover.>
4) Remove the timing belt assembly. <Ref. to
ME(D0HC TURBO)-48, REMOVAL, Timing Belt
Assembly.>
5) Remove the camshaft position sensor. <Ref. to
FU(D0HC TURBO)-31, REMOVAL, Camshaft Po-
sition Sensor.>
6) Remove the camshaft sprockets. To lock the
camshaft, use ST.
ST 499207400 CAMSHAFT SPROCKET
WRENCH
B: INSTALLATION
1) Install the camshaft sprocket No. 1. and No. 2.
To lock camshaft, use ST.
ST 4992071 00 CAMSHAFT SPROCKET
Tightening torque:
CAUTION:
Do
not confuse left and right side camshaft
sprockets during installation. The camshaft
sprocket No. 2 is identified by a projection used
to monitor camshaft position sensor.
WRENCH
98 N-m
(IO
kgf-m, 72.4 ft-lb)
2M1879A
2) Install the camshaft position sensor. <Ref. to
FU(D0HC TURBO)-31, INSTALLATION, Cam-
shaft Position Sensor.>
3) Install the timing belt assembly. <Ref. to
ME(D0HC TURBO)-50, INSTALLATION, Timing
Belt Assembly.>
4) Install the belt cover. <Ref. to ME(D0HC TUR-
BO)-47, INSTALLATION, Belt Cover.>
5) Install the crankshaft pulley. <Ref. to ME(D0HC
TURBO)-46, INSTALLATION, Crankshaft Pulley.>
6) Install the V-belt. <Ref. to ME(D0HC TURBO)-
44, INSTALLATION, 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.
ME(D0HC TURBO)-57