Subaru Impreza 2002 Service Manual page 223

MECHANICAL
D: ASSEMBLY
T
(1) Connecting rod bearing
(2) Connecting rod
(3) Connecting rod cap
(4) Oil ring
1) Install the connecting rod bearings on connect-
ing rods and connecting rod caps.
CAUTION:
Apply oil to the surfaces of the connecting rod
bearings.
2) Install the connecting rod on crankshaft.
CAUTION:
Position each connecting rod with the side
mark facing forward.
3) Install the connecting rod cap with connecting
rod nut.
Ensure the arrow on connecting rod cap faces the
front during installation.
CAUTION:
• Each connecting rod has its own mating cap.
Make sure that they are assembled correctly by
checking their matching number.
• When tightening the connecting rod nuts, ap-
ply oil on the threads.
4) Install the oil ring spacer, upper rail and lower rail
in this order by hand. Then install the second ring
and top ring with a piston ring expander.
CYLINDER BLOCK
(3)
(1)
(5) Second ring
(6) Top ring
(7) Circlip
E: INSPECTION
1. CYLINDER BLOCK
1) Visually check for cracks and damage. Especial-
ly, inspect important parts by means of red lead
check.
2) Check the oil passages for clogging.
3) Inspect crankcase surface that mates with cylin-
der head for warping by using a straight edge, and
correct by grinding if necessary.
Warping limit:
Grinding limit:
Standard height of cylinder block:
ME(STi)-84
(1)
(2)
(7)
Tightening torque: N·m (kgf-m, ft-lb)
T: 52 (5.3, 38.4)
0.05 mm (0.0020 in)
0.1 mm (0.004 in)
201.0 mm (7.91 in)
(4)
(5)
(6)
EN1523