Subaru Legacy 2004 Service Manual page 306

MECHANICAL
D: ASSEMBLY
T
(1) Connecting rod bearing
(2) Connecting rod
(3) Connecting rod cap
(4) Oil ring
1) Apply oil to the surfaces of the connecting rod
bearings.
2) Install the connecting rod bearings on connect-
ing rods and connecting rod caps.
3) Position each connecting rod with the marked
side facing forward, and install it.
4) Install the connecting rod cap with connecting
rod nut.
Ensure the arrow on connecting rod cap faces to-
ward 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.
5) Install the expander, lower rail and upper rail in
this order by hand. Install the second ring and top
ring with a piston ring expander.
Cylinder Block
(3)
(1)
(5) Second ring
(6) Top ring
(7) Snap ring
(8) Side mark
ME(H4SO 2.0)-76
(1)
(2)
(8)
(7)
Tightening torque: N
T: 45 (4.6, 33.3)
E: INSPECTION
1. CYLINDER BLOCK
1) Visually check for cracks and damage. Especial-
ly, inspect the important parts by means of red lead
check.
2) Check the oil passages for clogging.
3) Inspect the cylinder block surface that mates
with cylinder head for warping by using a straight
edge, and correct by grinding if necessary.
Warping limit:
0.025 mm (0.00098 in)
Grinding limit:
0.1 mm (0.004 in)
Standard height of cylinder block:
201.0 mm (7.91 in)
2. CYLINDER AND PISTON
1) The cylinder bore size is stamped on the cylinder
block's front upper surface.
NOTE:
• Measurement should be performed at a temper-
ature of 20#C (68#F).
• Standard sized pistons are classified into two
grades, "A" and "B". These grades should be used
as guide lines in selecting a standard piston.
(4)
(5)
(6)
ME-00392
!
m (kgf-m, ft-lb)