Crankshaft Pulley - Subaru IMPREZA 2002 Service Manual

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MECHANICAL
CRANKSHAFT PULLEY
13.Crankshaft Pulley
A: REMOVAL
1) Remove the V-belt. <Ref. to ME(S0HC)-43, RE-
MOVAL, V-belt.>
2) Remove the crankshaft pulley bolt. To lock
crankshaft, use ST.
ST 499977100
CRANKSHAFT 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 4999771 00 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 N-m (4.5 kgf-m, 33 ft-lb).
(4) Tighten the crankshaft pulley bolts.
177 N.m (18 kgf-m, 130.2 ff-lb)
Tightening torque:
3) Confirm that the tightening angle of the crank-
shaft pulley bolt is 65 degrees or more. If not, con-
duct the following procedures (1) through (4):
(1) Replace the crankshaft pulley bolts and
clean them.
12369AA011
( 2 ) Clean the crankshaft thread using an air
gun.
(3) Tighten the bolts temporarily with tightening
torque of 44 N.m (4.5 kgf-m, 33 ft-lb).
(4) Tighten the crankshaft pulley bolts keeping
them in an angle between 45 degrees and 60
degrees.
CAUTION:
Conduct the tightening procedures by confirm-
ing the turning angle of the crankshaft pulley
bolt referring to the gauge indicated on the belt
Crankshaft pulley bolt:
cover.
4) Install the A/C belt tensioner.
5) Install the
A/C
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(S0-
- I
HC)-44, INSPECTION, V-belt.>
ME(SOHC)-45