Impreza 2.5 RS Sedan AWD F4-2.5L SOHC (2002)
Camshaft Gear/Sprocket: Service and Repair
REMOVAL
1. Remove the V-belt.
2. Remove the crankshaft pulley.
3. Remove the belt cover.
4. Remove the timing belt assembly.
5. Remove the camshaft position sensor.
6. Remove the camshaft sprockets. To lock the camshaft, use ST.
ST 499207400 CAMSHAFT SPROCKET WRENCH
INSTALLATION
1. Install the camshaft sprocket No. 1. and No. 2. To lock camshaft, use ST.
ST 499207100 CAMSHAFT SPROCKET WRENCH
Tightening torque: 98 Nm (10 kgf-m, 72.4 ft. lbs.)
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.
2. Install the camshaft position sensor.
3. Install the timing belt assembly.
4. Install the belt cover.
5. Install the crankshaft pulley.
6. Install the V-belt.
INSPECTION
1. Check the sprocket teeth for abnormal wear and scratches.
2. Make sure there is no free play between sprocket and key.
3. Check the crankshaft sprocket notch used for sensor for damage and contamination of foreign matter.