Impreza 2.5 RS Coupe AWD F4-2.5L SOHC (2001)
1. Install front belt cover.
Tightening torque: 5 Nm (0.5 kgf-m, 3.6 ft. lbs.)
2. Install belt cover (LH).
Tightening torque: 5 Nm (0.5 kgf-m, 3.6 ft. lbs.)
3. Install crankshaft pulley.
4. Install pulley bolt. (2200 cc model)
To lock crankshaft, use ST.
ST 499977000 CRANKSHAFT PULLEY WRENCH
1. Clean the crankshaft pulley thread using an air gun.
2. Apply engine oil to the crankshaft pulley bolt seat and thread.
3. Tighten the bolts temporarily with tightening torque of 44 Nm (4.5 kgf-m, 33 ft. lbs.).
4. Tighten the crankshaft pulley bolts.
Tightening torque: 127 Nm (13.0 kgf-m, 94.0 ft. lbs.)
5. Confirm that the tightening angle of the crankshaft pulley bolt is 45 degrees or more. If not, conduct the following procedures (1) through (4).
1. Replace the crankshaft pulley bolts and clean them.
Crankshaft pulley bolt: 12369AA011
2. Clean the crankshaft thread using an air gun.
3. Tighten the bolts temporarily with tightening torque of 44 Nm (4.5 kgf-m, 33 ft. lbs.).
4. Tighten the crankshaft pulley bolts keeping them in an angle between 45 degrees and 60 degrees.
CAUTION: Conduct the tightening procedures by confirming the turning angle of the crankshaft pulley bolt referring to the gauge indicated
on the belt cover.
6. Install pulley bolt. (2500 cc model)
To lock crankshaft, use ST.
ST 499977100 CRANKSHAFT PULLEY WRENCH
1. Clean the crankshaft pulley thread using an air gun.
2. Apply engine oil to the crankshaft pulley bolt seat and thread.
3. Tighten the bolts temporarily with tightening torque of 44 Nm (4.5 kgf-m, 33 ft. lbs.).
4. Tighten the crankshaft pulley bolts.
Tightening torque: 177 Nm 18.0 kgf-m, 130.2 ft. lbs.)
