COOLING(H4DO 1.5) > General Description

SPECIFICATION

Cooling system

Electric fan + Forced engine coolant circulation system

Total engine coolant capacity

1.5 L model

MT

L (US qt, Imp qt)

Approx. 7.6 (8.0, 6.7)

AT

L (US qt, Imp qt)

Approx. 7.5 (7.9, 6.6)

2.0 L model

MT

Without engine oil cooler

L (US qt, Imp qt)

Approx. 6.9 (7.3, 6.1)

With engine oil cooler

L (US qt, Imp qt)

Approx. 7.2 (7.6, 6.3)

AT

Without ATF oil cooler

L (US qt, Imp qt)

Approx. 6.8 (7.2, 6.0)

With ATF oil cooler

L (US qt, Imp qt)

Approx. 7.2 (7.6, 6.3)

Water pump

Type

Centrifugal impeller type

Discharge performance I

Discharge rate

L (US gal, Imp gal) /min

20 (5.3, 4.4)

Pump speed — Discharge pressure

760 rpm — 2.9 kPa (0.3 mAq)

Engine coolant temperature

80°C (176°F)

Discharge performance II

Discharge rate

L (US gal, Imp gal) /min

100 (26.4, 22.0)

Pump speed — Discharge pressure

3,000 rpm — 49.0 kPa (5.0 mAq)

Engine coolant temperature

80°C (176°F)

Discharge performance III

Discharge rate

L (US gal, Imp gal) /min

200 (52.8, 44.0)

Pump speed — Discharge pressure

6,000 rpm — 225.4 kPa (23.0 mAq)

Engine coolant temperature

80°C (176°F)

Impeller diameter

mm (in)

76 (2.99)

Number of impeller vanes

8

Pump pulley diameter

mm (in)

60 (2.36)

Clearance between impeller and case

Standard value

mm (in)

0.5 — 1.5 (0.020 — 0.060)

Thermostat

Type

Wax pellet type

Starting temperature to open

1.5 L model

Engine side

89 — 93°C (192 — 199°F)

2.0 L model

Engine side

86 — 90°C (187 — 194°F)

ATF warmer side

69 — 73°C (156 — 163°F)

Fully opens

1.5 model

Engine side

98°C (208°F)

2.0 L model

Engine side

95°C (203°F)

ATF warmer side

84°C (183°F)

Valve lift

Engine side

mm (in)

9.0 (0.354) or more

ATF warmer side

mm (in)

8.0 (0.315) or more

Valve bore

mm (in)

35 (1.38)

Radiator fan

Motor input

Main fan

90 W

Sub fan (model with A/C)

90 W

Fan diameter / Blade

Main fan

300 mm (11.81 in)/4

Sub fan (model with A/C)

300 mm (11.81 in)/5

Radiator

Type

Down flow, pressure type

Core dimensions

Width × Height × Thickness

mm (in)

687.4 × 340 × 16

(27.06 × 13.39 × 0.63)

Pressure range in which cap valve is open

kPa (kgf/cm2, psi)

Above: 108±15 or more

(1.1±0.15, 16±2)

Below: −1.0 — −4.9 or less

(−0.01 — −0.05, −0.1 — −0.7)

Fins

Corrugated fin type

Reservoir tank

Capacity

L (US qt, Imp qt)

0.45 (0.48, 0.40)

Coolant

Recommended materials

Item number

Alternative

Coolant

SUBARU coolant

000016218

Non-amine type

Water for dilution

Distilled water

—

Soft water or tap water

• 1.5 L model

Vehicle speed

A/C compressor load

Engine coolant temperature

Increase: 100°C (212°F) or less

Decrease: 99°C (210°F) or less

Increase: 101 — 102°C (214 — 216°F)

Decrease: 100°C (212°F)

Increase: 103°C (217°F) or more

Decrease: 101°C (214°F) or more

Radiator fan operation

Radiator fan operation

Radiator fan operation

With A/C

With A/C

Without A/C

With A/C

Without A/C

With A/C

Without A/C

While accelerating: 19 km/h (12 MPH) or less

While decelerating: 10 km/h (6 MPH) or less

OFF

OFF

OFF

Low-Speed

ON

High-Speed

ON

Low

Low-Speed

Low-Speed

High-Speed

High

High-Speed

High-Speed

High-Speed

While accelerating: 20 — 69 km/h (12 — 43 MPH)

While decelerating: 11 — 64 km/h (7 — 40 MPH)

OFF

OFF

OFF

Low-Speed

ON

High-Speed

ON

Low

High-Speed

High-Speed

High-Speed

High

High-Speed

High-Speed

High-Speed

While accelerating: 70 — 105 km/h (43 — 65 MPH)

While decelerating: 65 — 103 km/h (40 — 64 MPH)

OFF

OFF

OFF

Low-Speed

ON

High-Speed

ON

Low

OFF

Low-Speed

High-Speed

High

Low-Speed

High-Speed

High-Speed

While accelerating: 106 km/h (66 MPH) or more

While decelerating: 104 km/h (65 MPH) or more

OFF

OFF

OFF

OFF

OFF

High-Speed

ON

Low

OFF

Low-Speed

High-Speed

High

OFF

Low-Speed

High-Speed

• 2.0 L model

Vehicle speed

A/C compressor load

Engine coolant temperature

Increase: 97°C (207°F) or less

Decrease: 96°C (205°F) or less

Increase: 98 — 99°C (208 — 210°F)

Decrease: 97°C (207°F)

Increase: 100°C (212°F) or more

Decrease: 98°C (208°F) or more

Radiator fan operation

Radiator fan operation

Radiator fan operation

With A/C

With A/C

Without A/C

With A/C

Without A/C

With A/C

Without A/C

While accelerating: 19 km/h (12 MPH) or less

While decelerating: 10 km/h (6 MPH) or less

OFF

OFF

OFF

Low-Speed

ON

High-Speed

ON

Low

Low-Speed

Low-Speed

High-Speed

High

High-Speed

High-Speed

High-Speed

While accelerating: 20 — 69 km/h (12 — 43 MPH)

While decelerating: 11 — 64 km/h (7 — 40 MPH)

OFF

OFF

OFF

Low-Speed

ON

High-Speed

ON

Low

High-Speed

High-Speed

High-Speed

High

High-Speed

High-Speed

High-Speed

While accelerating: 70 — 105 km/h (43 — 65 MPH)

While decelerating: 65 — 103 km/h (40 — 64 MPH)

OFF

OFF

OFF

Low-Speed

ON

High-Speed

ON

Low

OFF

Low-Speed

High-Speed

High

Low-Speed

High-Speed

High-Speed

While accelerating: 106 km/h (66 MPH) or more

While decelerating: 104 km/h (65 MPH) or more

OFF

OFF

OFF

OFF

OFF

High-Speed

ON

Low

OFF

Low-Speed

High-Speed

High

OFF

Low-Speed

High-Speed