Subaru Legacy (2005 year). Service manual — part 264
IN(H4DOTC)-15
INTAKE (INDUCTION)
Turbocharger
B: INSTALLATION
1) Connect the hoses to the oil outlet pipe (A) and
coolant pipe (B) located under the turbocharger.
2) Install the turbocharger to bracket.
Tightening torque:
33 N
⋅
m (3.4 kgf-m, 24.6 ft-lb)
3) Install the oil inlet pipe to turbocharger.
NOTE:
Use a new metal gasket.
Tightening torque:
T1: 5.0 N
⋅
m (0.51 kgf-m, 3.7 ft-lb)
T2: 16 N
⋅
m (1.6 kgf-m, 11.8 ft-lb)
4) Install the joint pipe to turbocharger.
NOTE:
Use a new gasket.
Tightening torque:
35 N
⋅
m (3.6 kgf-m, 25.8 ft-lb)
5) Connect the engine coolant hose which is con-
nected to the coolant filler tank.
6) Lift-up the vehicle.
7) Install the center exhaust pipe.
<Ref. to EX(H4DOTC)-7, INSTALLATION, Center
Exhaust Pipe.>
8) Install the linear motion mounting bracket.
Tightening torque:
40 N
⋅
m (4.1 kgf-m, 29.5 ft-lb)
9) Install the linear motion mounting.
<Ref. to ME(H4DOTC)-38, INSTALLATION, Linear
Motion Mounting.>
10) Install the intercooler bracket RH.
11) Install the intercooler. <Ref. to IN(H4DOTC)-
12, INSTALLATION, Intercooler.>
12) Install the collector cover.
IN-00230
(B)
(A)
IN-00229
IN-02018
T2
T1
(A) Linear motion mounting bracket
(B) Turbocharger bracket
IN-00227
IN-00226
IN-00252
(A)
(B)
IN(H4DOTC)-16
Vehicle-id:
SIE-id:S144016a18:A:REMOVAL
∼
INTAKE (INDUCTION)
Air By-pass Valve
9. Air By-pass Valve
A: REMOVAL
1) Remove the collector cover.
2) Disconnect the air by-pass hose (A) from air by-
pass valve.
3) Remove the air by-pass valve (B) from intercool-
er.
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
6.5 N
⋅
m (0.66 kgf-m, 4.8 ft-lb)
(A) Air by-pass hose
(B) Air by-pass valve
IN-00231
(A)
(B)
IN-00231
(A)
(B)
MECHANICAL
ME(H4DOTC)
Page
General Description . . . . . . . . . . . . . . . . . . . . . 2
Compression . . . . . . . . . . . . . . . . . . . . . . . .22
Idle Speed . . . . . . . . . . . . . . . . . . . . . . . . .23
Ignition Timing. . . . . . . . . . . . . . . . . . . . . . ...24
Intake Manifold Vacuum. . . . . . . . . . . . . . . . . . . 25
Engine Oil Pressure . . . . . . . . . . . . . . . . . . . . ..26
Fuel Pressure. . . . . . . . . . . . . . . . . . . . . . . 27
Valve Clearance. . . . . . . . . . . . . . . . . . . . . . 28
Engine Assembly . . . . . . . . . . . . . . . . . . . . . ..31
Engine Mounting . . . . . . . . . . . . . . . . . . . . . ...37
Linear Motion Mounting. . . . . . . . . . . . . . . . . . . .38
Preparation for Overhaul. . . . . . . . . . . . . . . . . . ...39
V-belt. . . . . . . . . . . . . . . . . . . . . . . . . . .40
Crank Pulley. . . . . . . . . . . . . . . . . . . . . . . ..43
Timing Belt Cover. . . . . . . . . . . . . . . . . . . . . ..45
Timing Belt . . . . . . . . . . . . . . . . . . . . . . . . 46
Cam Sprocket . . . . . . . . . . . . . . . . . . . . . . ...54
Crank Sprocket . . . . . . . . . . . . . . . . . . . . . . .55
Camshaft. . . . . . . . . . . . . . . . . . . . . . . . ...56
Cylinder Head . . . . . . . . . . . . . . . . . . . . . . ...62
Cylinder Block . . . . . . . . . . . . . . . . . . . . . . ...69
Intake and Exhaust Valve . . . . . . . . . . . . . . . . . . .89
Piston . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Connecting Rod . . . . . . . . . . . . . . . . . . . . . . 91
Crankshaft. . . . . . . . . . . . . . . . . . . . . . . . .92
Engine Trouble in General . . . . . . . . . . . . . . . . . . 93
Engine Noise. . . . . . . . . . . . . . . . . . . . . . . .99
ME(H4DOTC)-2
MECHANICAL
General Description
1. General Description
A: SPECIFICATION
NOTE:
OS: oversize US: undersize
Engine
Cylinder arrangement
Horizontally opposed, liquid cooled,
4-cylinder, 4-stroke gasoline engine
Valve system mechanism
Belt drive,
double overhead camshaft,
4 valve/cylinder
Bore
× Stroke
mm (in)
92
× 75 (3.62 × 2.95)
Displacement
cm
3
(cu in)
1,994 (121.67)
Compression ratio
9.5
Compression pressure (at 400 rpm)
kPa (kgf/cm
2
, psi)
1,100 — 1,300 (11.2 — 13.3, 160 — 189)
Number of piston rings
Pressure ring: 2, Oil ring: 1
Intake valve timing
Open
Max.
retard
ATDC 6
°
Min.
advance
BTDC 37
°
Close
Max.
retard
ABDC 62
°
Min.
advance
ABDC 19
°
Exhaust valve timing
Open
Max.
retard
BBDC 30
°
Min.
advance
BBDC 60
°
Close
Max.
retard
ATDC 28
°
Min.
advance
BTDC 2
°
Valve clearance
mm (in)
Intake
0.20
±0.02 (0.0079±0.0008)
Exhaust
0.35
±0.02 (0.0138±0.0008)
Idle speed [“P” or “N” range]
rpm
No load
650
±50
A/C ON
825
±50
Ignition order
1
→ 3 → 2 → 4
Ignition timing
BTDC/rpm
14
°±3°/650
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