Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual - part 166
ME(w/o STI)-45
Crank Pulley
MECHANICAL
13.Crank Pulley
A: REMOVAL
NOTE:
When replacing a single part, perform the work with
the engine assembly installed to body.
1) Remove the V-belts. <Ref. to ME(w/o STI)-38,
2) Use the ST to lock the crank pulley, and remove
the crank pulley bolt.
ST 499977100
CRANK PULLEY WRENCH
3) Remove the crank pulley.
B: INSTALLATION
1. METHOD WITHOUT ANGLE GAUGE
1) Clean the crankshaft thread using compressed
air.
2) Install the crank pulley.
3) Apply engine oil to the crank pulley bolt seat and
thread.
4) Tighten the crank pulley bolts.
(1) Use the ST to lock the crank pulley, and
temporarily tighten the crank pulley bolt.
ST 499977100
CRANK PULLEY WRENCH
Tightening torque:
47 N·m (4.8 kgf-m, 34.7 ft-lb)
(2) Draw reference lines (A) and (B) using a
marker to set the socket to the crank pulley bolt
as shown in the figure.
NOTE:
Set the socket onto the crank pulley bolt so that ref-
erence lines (A) and (B) is visible.
ST 499977100
CRANK PULLEY WRENCH
(3) Draw end line (C) on ST using a marker at
the same position as reference line (B) drawn
on the socket in step (2).
ST 499977100
CRANK PULLEY WRENCH
ME-04141
ST
ST
ME-04142
(a) When using 6-point socket
(b) When using 12-point socket
ME-04955
(B)
ST
(A)
(a)
(B)
(A)
(b)
(B)
(A)
ME-04144
(B)
ST
(C)