Subaru 2009 IMPREZA Service Manual page 1105

13.Crank Pulley
A: REMOVAL
NOTE:
Perform the work with the engine installed to body
when replacing a single part.
1) Remove the V-belts. <Ref. to ME(H4DOTC)-40,
REMOVAL, V-belt.>
2) Use the ST to lock the crank pulley, and remove
the crank pulley bolt.
ST 499977400 CRANK PULLEY WRENCH
(AT MODEL)
ST 499977100 CRANK PULLEY WRENCH
(MT MODEL)
ST
3) Remove the crank pulley.
Crank Pulley
B: INSTALLATION
1. AT MODEL
1) Install the crank pulley.
2) Use the ST to secure the crank pulley, and at-
tach the crank pulley bolts.
ST 499977400
(1) Clean the crankshaft thread using com-
pressed air.
(2) Apply engine oil to the crank pulley bolt seat
and thread.
(3) Tighten the bolts temporarily with tightening
torque of 44 N·m (4.5 kgf-m, 32.5 ft-lb).
(4) Tighten the crank pulley bolts.
Tightening torque:
130 N·m (13.3 kgf-m, 95.9 ft-lb)
ME-03393
3) Check that the tightening angle of the crank pul-
ley bolt is 45° or more. Perform the following proce-
dure when less than 45°.
CAUTION:
If the tightening angle of crank pulley bolt is
less than 45°, the bolt is damaged. In this case,
the bolt must be replaced.
(1) Replace the crank pulley bolts and clean
them.
Crank pulley bolt:
Part No. 12369AA011
(2) Clean the crankshaft thread using com-
pressed air.
(3) Apply engine oil to the crank pulley bolt seat
and thread.
(4) Tighten the bolts temporarily with tightening
torque of 44 N·m (4.5 kgf-m, 32.5 ft-lb).
(5) Tighten the crank pulley bolts by 45° to 60°.
NOTE:
Conduct the tightening procedures by confirming
the turning angle of crank pulley bolt referring to the
gauge indicated on timing belt cover.
4) Install the V-belts. <Ref. to ME(H4DOTC)-40,
INSTALLATION, V-belt.>
ME(H4DOTC)-47
MECHANICAL
CRANK PULLEY WRENCH
ST
ME-03393