Crankshaft Pulley - Subaru Impreza 2002 Service Manual

13.Crankshaft Pulley

A: REMOVAL
1) Remove the V-belt. <Ref. to ME(STi)-43, RE-
MOVAL, V-belt.>
2) Remove the crankshaft pulley bolt. To lock the
crankshaft, use ST.
ST 499977300
CRANK PULLEY WRENCH
3) Remove the crankshaft pulley.
B: INSTALLATION
1) Install the crankshaft pulley.
2) Install the pulley bolt.
To lock the crankshaft, use ST.
ST 499977300 CRANK PULLEY WRENCH
(1) Clean the crankshaft pulley thread using an
air gun.
(2) Apply engine oil to the crankshaft pulley bolt
seat, thread and washer.
(3) Tighten the bolts with tightening torque of
157 N·m (16.0 kgf-m, 116 ft-lb).
(4) Loosen the bolts by 180°.
(5) Tighten the crankshaft pulley bolts.
Tightening torque:
157 N·m (16 kgf-m, 116 ft-lb)
CRANKSHAFT PULLEY
3) Confirm that the tightening angle of the crank-
shaft pulley bolt is 45° or more. If not, conduct the
following procedures (1) through (4).
• Replace the crankshaft pulley bolts and clean
them.
CAUTION:
Conduct the tightening procedures by confirm-
ing the turning angle of the crankshaft pulley
bolt referring to the gauge indicated on the belt
cover.
4) Install the rear side belt tensioner.
H2M2393C
5) Install the rear side belt.
C: INSPECTION
1) Make sure the V-belt is not worn or otherwise
damaged.
2) Check the tension of the belt. <Ref. to ME(STi)-
44, INSPECTION, V-belt.>
H2M2393A
ME(STi)-45
(A) Lock nut
(B) Slider bolt
MECHANICAL
S2M0113
(B)
(A)
EN0226