Subaru Legacy (2005 year). Service manual — part 407

EX(H6DO)-9

EXHAUST

Muffler

4. Muffler

A: REMOVAL

1) Separate the muffler from rear exhaust pipe.

CAUTION:
Be careful, because the exhaust pipe is hot.
• LH side

• RH side

2) Apply a coat of spray type lubricant to the mating
area of cushion rubber.
• LH side

• RH side

3) Remove the front and rear cushion rubber, and
then remove the muffler.

B: INSTALLATION

Install in the reverse order of removal.

NOTE:
Use a new gasket and self-locking nut.

Tightening torque:

48 N

⋅

m (4.9 kgf-m, 35.4 ft-lb)

• LH side

• RH side

C: INSPECTION

1) Check the connections and welds for exhaust
leaks.
2) Check for hole or rust.
3) Check the cushion rubber for wear or crack.

EX-00222

EX-00218

EX-00220

EX-00221

EX-00222

EX-00218

EX(H6DO)-10

EXHAUST

Muffler

COOLING

CO(H6DO)

Page

1.

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

2.

Radiator Fan System . . . . . . . . . . . . . . . . . . . . ..8

3.

Engine Coolant. . . . . . . . . . . . . . . . . . . . . . ..11

4.

Water Pump . . . . . . . . . . . . . . . . . . . . . . . ..13

5.

Thermostat . . . . . . . . . . . . . . . . . . . . . . . . 14

6.

Radiator. . . . . . . . . . . . . . . . . . . . . . . . . .16

7.

Radiator Cap . . . . . . . . . . . . . . . . . . . . . . . .19

8.

Radiator Main Fan and Fan Motor . . . . . . . . . . . . . . . 20

9.

Radiator Sub Fan and Fan Motor. . . . . . . . . . . . . . . ..23

10.

Reservoir Tank. . . . . . . . . . . . . . . . . . . . . . ..25

11.

Radiator Fan Control Unit . . . . . . . . . . . . . . . . . . .26

12.

Engine Cooling System Trouble in General . . . . . . . . . . . ..27

CO(H6DO)-2

COOLING

General Description

1. General Description

A: SPECIFICATION

Cooling system

Electric fan + Forced engine coolant circulation system

Total engine
coolant
capacity

MT

2 (US qt, Imp qt)

7.3 (7.7, 6.4)

AT

Without ATF warmer

2 (US qt, Imp qt)

7.2 (7.6, 6.3)

With ATF warmer (LHD)

2 (US qt, Imp qt)

7.7 (8.1, 6.8)

With ATF warmer (RHD)

2 (US qt, Imp qt)

7.8 (8.2, 6.9)

Water pump

Type

Centrifugal impeller type

Discharge perfor-
mance I

Discharge
amount

2 (US gal, Imp

gal)/min

320 (84.5, 70.4)

Pump speed — Discharge
pressure

5,500 rpm — 176.5 kPa (18 mAq)

Engine coolant temperature

80

°C (176°F)

Impeller diameter

mm (in)

73.2 (2.88)

Number of impeller vanes

6

Number of pump sprocket teeth

22

Thermostat

Type

Wax pellet type

Starting temperature to open

80 — 84

°C (176 — 183°F)

Fully opens

95

°C (203°F)

Valve lift

mm (in)

9.0 (0.354) or more

Valve bore

mm (in)

35 (1.38)

Radiator fan

Motor input

Main fan

W

160

Sub fan

W

160

Fan diameter /
Blades

Main fan

320 mm (12.6 in) / 5

Sub fan

320 mm (12.6 in) / 7

Radiator

Type

Down flow, pressure type

Core dimensions

Width

× Height ×

Thickness

mm (in)

690

× 349 × 16 (27.17 × 13.74 × 0.63)

Pressure range in which cap
valve is open

kPa (kgf/cm

2

, psi)

Above: 108

±15

(1.1

±0.15, 16±2)

Below: The atmospheric pressure or less

Fins

Corrugated fin type

Reservoir
tank

Capacity

2 (US qt, Imp qt)

0.45 (0.48, 0.40)