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

1.

General Description . . . . . . . . . . . . . . . . . . . . . 2

2.

Compression . . . . . . . . . . . . . . . . . . . . . . . .22

3.

Idle Speed . . . . . . . . . . . . . . . . . . . . . . . . .23

4.

Ignition Timing. . . . . . . . . . . . . . . . . . . . . . ...24

5.

Intake Manifold Vacuum. . . . . . . . . . . . . . . . . . . 25

6.

Engine Oil Pressure . . . . . . . . . . . . . . . . . . . . ..26

7.

Fuel Pressure. . . . . . . . . . . . . . . . . . . . . . . 27

8.

Valve Clearance. . . . . . . . . . . . . . . . . . . . . . 28

9.

Engine Assembly . . . . . . . . . . . . . . . . . . . . . ..31

10.

Engine Mounting . . . . . . . . . . . . . . . . . . . . . ...37

11.

Linear Motion Mounting. . . . . . . . . . . . . . . . . . . .38

12.

Preparation for Overhaul. . . . . . . . . . . . . . . . . . ...39

13.

V-belt. . . . . . . . . . . . . . . . . . . . . . . . . . .40

14.

Crank Pulley. . . . . . . . . . . . . . . . . . . . . . . ..43

15.

Timing Belt Cover. . . . . . . . . . . . . . . . . . . . . ..45

16.

Timing Belt . . . . . . . . . . . . . . . . . . . . . . . . 46

17.

Cam Sprocket . . . . . . . . . . . . . . . . . . . . . . ...54

18.

Crank Sprocket . . . . . . . . . . . . . . . . . . . . . . .55

19.

Camshaft. . . . . . . . . . . . . . . . . . . . . . . . ...56

20.

Cylinder Head . . . . . . . . . . . . . . . . . . . . . . ...62

21.

Cylinder Block . . . . . . . . . . . . . . . . . . . . . . ...69

22.

Intake and Exhaust Valve . . . . . . . . . . . . . . . . . . .89

23.

Piston . . . . . . . . . . . . . . . . . . . . . . . . . . 90

24.

Connecting Rod . . . . . . . . . . . . . . . . . . . . . . 91

25.

Crankshaft. . . . . . . . . . . . . . . . . . . . . . . . .92

26.

Engine Trouble in General . . . . . . . . . . . . . . . . . . 93

27.

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