Subaru Legacy (2005 year). Service manual — part 265
ME(H4DOTC)-3
MECHANICAL
General Description
Belt ten-
sion
adjuster
Protrusion of adjuster rod
mm (in)
5.2 — 6.2 (0.205 — 0.244)
Belt ten-
sioner
Spacer O.D.
mm (in)
17.955 — 17.975 (0.7069 — 0.7077)
Tensioner bushing I.D.
mm (in)
18.0 — 18.08 (0.7087 — 0.7118)
Clearance between spacer and
bushing
mm (in) Standard
0.025 — 0.125 (0.0010 — 0.0049)
Side clearance of spacer
mm (in) Standard
0.2 — 0.55 (0.0079 — 0.0217)
Camshaft
Bend limit
mm (in)
0.020 (0.0008) or less
Thrust clearance
mm (in) Standard
0.068 — 0.116 (0.0027 — 0.0046)
Cam lobe height
mm (in)
Intake
Standard
45.85 — 45.95 (1.805 — 1.809)
Exhaust
Standard
45.75 — 45.85 (1.801 — 1.805)
Journal O.D.
mm (in) Standard
Front
37.946 — 37.963 (1.4939 — 1.4946)
Center rear
29.946 — 29.963 (1.1790 — 1.1797)
Clearance at journal
mm (in) Standard
0.037 — 0.072 (0.0015 — 0.0028)
Cylinder
head
Surface warpage limit
mm (in)
0.035 (0.0014)
Grinding limit
mm (in)
0.3 (0.012)
Standard height
mm (in)
127.5 (5.02)
Valve seat
Refacing angle
90
°
Contacting width
mm (in)
Intake
Standard
0.6 — 1.4 (0.024 — 0.055)
Exhaust
Standard
1.2 — 1.8 (0.047 — 0.071)
Valve guide
Inside diameter
mm (in)
6.000 — 6.012 (0.2362 — 0.2367)
Protrusion above head
mm (in)
15.8 — 16.2 (0.622 — 0.638)
Valve
Head edge thick-
ness
mm (in)
Intake
Standard
1.0 — 1.4 (0.039 — 0.055)
Exhaust
Standard
1.3 — 1.7 (0.051 — 0.067)
Stem outer diame-
ter
mm (in)
Intake
5.955 — 5.970 (0.2344 — 0.2350)
Exhaust
5.945 — 5.960 (0.2341 — 0.2346)
Valve stem gap
mm (in) Standard
Intake
0.030 — 0.057 (0.0012 — 0.0022)
Exhaust
0.040 — 0.067 (0.0016 — 0.0026)
Overall length
mm (in)
Intake
104.4 (4.110)
Exhaust
104.65 (4.1201)
Valve spring
Free length
mm (in)
44.67 (1.759)
Squareness
2.5
°, 2.0 mm (0.079 in)
Tension/spring
height
N (kgf, lbf)/mm (in)
Set
206 — 236 (21.0 — 24.1, 46.3 — 53.1)/
36.00 (1.417)
Lift
485 — 537 (49.5 — 54.8, 109 — 121)/
26.60 (1.047)
Cylinder
block
Surface warpage limit
(mating with cylinder head)
mm (in)
0.025 (0.00098)
Grinding limit
mm (in)
0.1 (0.004)
Cylinder inner
diameter
mm (in) Standard
A
92.005 — 92.015 (3.6222 — 3.6226)
B
91.995 — 92.005 (3.6219 — 3.6222)
Cyrindricality
mm (in) Standard
0.015 (0.0006)
Out-of-roundness
mm (in) Standard
0.010 (0.0004)
Piston clearance
mm (in) Standard
−0.010 — 0.010 (−0.00039 — 0.00039)
Boring limit
mm (in)
0.5 (0.020)
Piston
Outer diameter
mm (in)
Standard
A
92.005 — 92.015 (3.6222 — 3.6226)
B
91.995 — 92.005 (3.6219 — 3.6222)
0.25 (0.0098) OS
92.245 — 92.265 (3.6317 — 3.6325)
0.50 (0.0197) OS
92.495 — 92.515 (3.6415 — 3.6423)
ME(H4DOTC)-4
MECHANICAL
General Description
Piston pin
Standard clearance between pis-
ton and piston pin
mm (in) Standard
0.004 — 0.008 (0.0002 — 0.0003)
Degree of fit
Piston pin must be fitted into position with
thumb at 20
°C (68°F).
Piston ring
Ring closed gap
mm (in)
Top ring
Standard
Outer circle side: 0.20 — 0.25 (0.0079 —
0.0098)
Inner circle side: 0.20 — 0.30 (0.0079 —
0.012)
Second ring
Standard
0.40 — 0.50 (0.016 — 0.020)
Oil ring
Standard
0.20 — 0.50 (0.0079 — 0.0197)
Ring groove gap
mm (in)
Top ring
Standard
0.040 — 0.080 (0.0016 — 0.0031)
Second ring
Standard
0.030 — 0.070 (0.0012 — 0.0028)
Connecting
rod
Bend or twist per 100 mm (3.94
in) in length
mm (in) Limit
0.10 (0.0039)
Thrust clearance of large end
mm (in) Standard
0.070 — 0.330 (0.0028 — 0.0130)
Bearing of
large end
Oil clearance
mm (in) Standard
0.026 — 0.052 (0.0010 — 0.0020)
Bearing size
(Thickness at cen-
ter)
mm (in)
Standard
1.486 — 1.498 (0.0585 — 0.0590)
0.03 (0.0012) US
1.504 — 1.512 (0.0592 — 0.0595)
0.05 (0.0020) US
1.514 — 1.522 (0.0596 — 0.0599)
0.25 (0.0098) US
1.614 — 1.622 (0.0635 — 0.0639)
Bushing of
small end
Clearance between piston pin
and bushing
mm (in) Standard
0 — 0.022 (0 — 0.0009)
Crankshaft
Bend limit
mm (in)
0.035 (0.0014)
Crank pin and crank
journal
Out-of-roundness
mm (in)
0.005 (0.0002) or less
Grinding limit (dia.)
mm (in)
Crank pin: To 51.750 (2.0374)
Crank journal: To 59.750 (2.3524)
Crank pin outer
diameter
mm (in)
Standard
51.984 — 52.000 (2.0466 — 2.0472)
0.03 (0.0012) US
51.954 — 51.970 (2.0454 — 2.0461)
0.05 (0.0020) US
51.934 — 51.950 (2.0447 — 2.0453)
0.25 (0.0098) US
51.734 — 51.750 (2.0368 — 2.0374)
Crank journal outer
diameter
mm (in)
Standard
59.992 — 60.008 (2.3619 — 2.3625)
0.03 (0.0012) US
59.962 — 59.978 (2.3607 — 2.3613)
0.05 (0.0020) US
59.942 — 59.958 (2.3599 — 2.3606)
0.25 (0.0098) US
59.742 — 59.758 (2.3521 — 2.3527)
Thrust clearance
mm (in) Standard
0.030 — 0.115 (0.0012 — 0.0045)
Oil clearance
mm (in) Standard
0.010 — 0.030 (0.00039 — 0.0012)
Main bear-
ing
Bearing size (Thick-
ness at center)
#1, #3
Standard
1.998 — 2.011 (0.0787 — 0.0792)
0.03 (0.0012) US
2.017 — 2.020 (0.0794 — 0.0795)
0.05 (0.0020) US
2.027 — 2.030 (0.0798 — 0.0799)
0.25 (0.0098) US
2.127 — 2.130 (0.0837 — 0.0839)
mm (in)
#2, #4, #5
Standard
2.000 — 2.013 (0.0787 — 0.0793)
0.03 (0.0012) US
2.019 — 2.022 (0.0795 — 0.0796)
0.05 (0.0020) US
2.029 — 2.032 (0.0799 — 0.0800)
0.25 (0.0098) US
2.129 — 2.132 (0.0838 — 0.0839)
ME(H4DOTC)-5
MECHANICAL
General Description
B: COMPONENT
1. TIMING BELT
(1)
Timing belt cover No. 2 (RH)
(11)
Exhaust cam sprocket (LH)
Tightening torque: N
⋅
m (kgf-m, ft-lb)
(2)
Timing belt guide (MT model)
(12)
Timing belt
T1: 5 (0.5, 3.7)
(3)
Crank sprocket
(13)
Belt idler No. 2
T2: 9.75 (1.0, 7.2)
(4)
Timing belt cover No. 2 (LH)
(14)
Belt idler
T3: 24.5 (2.5, 18.1)
(5)
Tensioner bracket
(15)
Timing belt cover (LH)
T4: 39 (4.0, 28.8)
(6)
Automatic belt tension adjuster
ASSY
(16)
Front belt cover
(17)
Timing belt cover (RH)
(7)
Belt idler
(18)
Crank pulley (MT model)
(8)
Exhaust cam sprocket (RH)
(19)
Crank pulley (AT model)
(9)
Intake cam sprocket (RH)
(20)
O-ring
(10)
Intake cam sprocket (LH)
T7: 6.4 (0.65, 4.7)
T8: 3.4 (0.3, 2.5)
T9: 25 (2.5, 18.4)
ME-02555
T1
T6
(7)
(6)
(10)
(18)
(5)
(14)
(2)
(3)
T2
(4)
(1)
(2)
(2)
T7
T4
T3
T9
T4
T8
T5
T4
T1
T7
(11)
(15)
(17)
(2)
(9)
(13)
(14)
(12)
(16)
T1
T1
T7
T1
T1
T5
T8
(19)
(8)
T8
(20)
(20)
(20)
(20)
ME(H4DOTC)-6
MECHANICAL
General Description
2. CYLINDER HEAD AND CAMSHAFT
T4
(1)
ME-02557
T3
T3
T5
T5
T5
T5
T4
T1
(3)
(7)
(6)
(9)
(8)
(10)
(12)
(29)
(13)
(26)
(23)
(24)
(21)
(20)
(6)
(16)
(17)
(18)
(9)
(25)
(8)
(19)
(15)
(14)
(30)
(11)
(5)
(4)
(22)
T4
T4
(14)
(30)
(32)
(31)
(12)
(28)
(28)
(27)
(28)
T2
T2
T2
T6
T1
(11)
(2)
(32)
(31)
T6
T6
T2
T2
T6
T3
T7
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