Impreza 2.5 RS Sedan AWD F4-2.5L SOHC (2002)
Harmonic Balancer - Crankshaft Pulley: Service and Repair
REMOVAL
1. Remove the V-belt.
2. Remove the crankshaft pulley bolt. To lock crankshaft, use ST.
ST 499977300 CRANKSHAFT PULLEY WRENCH
3. Remove the crankshaft pulley.
INSTALLATION
1. Install the crankshaft pulley.
2. Install the pulley bolt. To lock the crankshaft, use ST.
ST 499977300 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 kgf-m, 94.0 ft. lbs.)
3. Confirm that the tightening angle of the crankshaft pulley bolt is 45 degrees or more. If not, conduct the following procedures (1) through (4).
CAUTION: If the tightening angle of crankshaft pulley bolt is less than 45 degrees, the bolt should be damaged. In this case, the bolt must be
replaced.
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 65 degrees and 75 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.
4. Install the A/C belt tensioner.
