Subaru 2002 IMPREZA Service Manual page 110

Cylinder bore
A
B
92.005 - 92.015 mm (3.6222 - 3.6226 in)
91.995
-
92.005 mm (3.621 8
-
3.6222 in)
STD
I
STD
Limit
Taper
0.015 mm (0.0006 in)
0.050 mm (0.0020 in)
STD 0.010 mm (0.0004 in)
Limit
0.050 mm (0.0020 in)
STD 0.01 0
-
0.030 mm (0.0004 - 0.001 2 in)
Limit 0.050 mm (0.0020 in)
Enlaraina (borina) limit
0.5 mm (0.020 in)
Standard clearance between piston
pin and hole in piston
STD
Limit 0.020 mm (0.0008 in)
0.004
-
0.008 mm (0.0002 - 0.0003 in)
STD 0.20
-
0.35 mm (0.0079
-
0.01 38 in)
Limit
STD
Limit
1 .O mm (0.039 in)
0.20
-
0.70 mm (0.0079
-
0.0276 in)
1.5 mm (0.059 in)
Limit
STD
Limit
STD
0.03 mm
(0.0012
in) US
0.4 mm (0.01 6 in)
0.020 - 0.046 mm (0.0008 - 0.0018 in)
0.05
mm (0.0020 in)
1.492 - 1.501 mm (0.0587 - 0.0591 in)
1.510
-
1.51 3 mm (0.0594
-
0.0596 in)
0.25 mm
(0.0098
in) US
STD
1.620 - 1.623 mm (0.0638 - 0.0639 in)
0 -
0.022 mm (0
-
0.0009 in)
GENERAL DESCRIPTION
MECHANICAL
Surface warpage limit (mating with cylinder head)
I
0.05 mm (0.0020 in)
Surface grinding limit
I
0.1 mm (0.004 in)
Cylinder
block
Out-of-roundness
STD
I A
I
91.985
-
91.995 mm (3.6214
-
3.6218 in)
I B
I
91.975 - 91.985 mm (3.621 1
-
3.6214 in)
0.25 mm (0.0098 in)
os
92.225
-
92.235 mm (3.6309
-
3.6313 in)
Piston Outer diameter
92.475 - 92.485 mm (3.6407 - 3.641 1 in)
0.50 mm (0.01 97 in)
os
Piston pin
Degree of fit
Top ring
Limit
I
1 .O mm (0.039 in)
Second
ring
STD
I
0.35 - 0.50 mm (0.01 38 - 0.01 97 in)
Piston ring gap
Oil ring Piston ring
Top ring
STD
1
0.040 - 0.080 mm (0.001 6 - 0.0031 in)
Clearance between piston
ring and piston ring
groove
Bend twist per 100 mm (3.
lenath
Limit
I
0.15 mm (0.0059 in)
STD
I
0.030
-
0.070 mm (0.0012
-
0.0028 in)
Second
ring
4 in) in
Limit
I
0.15 mm (0.0059 in)
Limit
I
0.10 mm (0.0039 in)
Connecting
rod
Side clearance
0.070
-
0.330 mm (0.0028
-
0.0130 in)
STD
I
Oil clearance
Connecting
rod bearing
0.05 mm
(0.0020
in) US
Thickness at center portion
1.520
-
1.523 mm (0.0598
-
0.0600 in)
Connecting
rod bushing
Clearance between piston pin and
bushing
Limit
I
0.030 mm (0.001 2 in)
ME(D0HC TURBO)-4