Crankshaft Pulley - Subaru IMPREZA 2004 Service Manual

13.Crankshaft Pulley

A: REMOVAL
1) Remove the V-belt. <Ref. to ME(H4SO)-43, RE-
MOVAL, V-belt.>
2) Remove the crankshaft pulley bolt. To lock the
crankshaft, use ST.
ST 499977400 CRANKSHAFT PULLEY
WRENCH (1.6 L and 2.0 L
model)
ST 499977100 CRANKSHAFT PULLEY
WRENCH (2.5 L model)
3) Remove the crankshaft pulley.
B: INSTALLATION
1. 1.6 L AND 2.0 L MODEL
1) Install the crankshaft pulley.
2) Install the pulley bolt.
To lock the crankshaft, use ST.
ST 499977400 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.
Tightening torque:
127 N·m (13.0 kgf-m, 94.0 ft-lb)
Crankshaft Pulley
ST ST
ME-00227
ST ST
ME-00227
ME(H4SO)-45
3) Confirm that the tightening angle of crankshaft
pulley bolt is 45 degrees or more. If the tightening
angle of crankshaft pulley bolt is less than 45 de-
grees, conduct the following procedures.
(1) Replace the crankshaft pulley bolts and
clean them.
Crankshaft pulley bolt:
12369AA011
(2) Clean the crankshaft thread using an air
gun.
(3) Apply engine oil to the crankshaft pulley bolt
seal and thread.
(4) Tighten the bolts temporarily with tightening
torque of 44 N·m (4.5 kgf-m, 33 ft-lb).
(5) Tighten the crankshaft pulley bolts keeping
them in an angle between 45 degrees and 60
degrees.
NOTE:
Conduct the tightening procedures by confirming
the turning angle of crankshaft pulley bolt referring
to the gauge indicated on timing belt cover.
4) Install the belt tensioner.
5) Install the V-belt. <Ref. to ME(H4SO)-43, IN-
STALLATION, V-belt.>
2. 2.5 L MODEL
1) Install the crankshaft pulley.
2) Install the pulley bolt.
To lock the 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 N·m (4.5 kgf-m, 33 ft-lb).
(4) Tighten the crankshaft pulley bolts.
MECHANICAL
ME-00225