Section 19 (Cooling System (H4DOTC)): General Description: Specification
WARNING: This page is about a different variant/trim than selected.
COOLING SYSTEM GENERAL SPECIFICATION
| Cooling system | Electric fan + Forced engine coolant circulation system | |||
|---|---|---|---|---|
| Total engine coolant capacity | Lambda (US qt, Imp qt) | MT: Approx. 7.3 (7.7, 6.4) AT: Approx. 7.2 (7.6, 6.3) |
||
| Water pump | Type | Centrifugal impeller type | ||
| Discharge performance I | Discharge amount | Lambda (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 | 85°C(185°F) | |||
| Discharge performance II | Discharge amount | Lambda (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 | 85°C (185°F) | |||
| Discharge performance III | Discharge amount | Lambda (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 | 85°C (185°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 | mm (in) | 0.5 - 1.5 (0.020 - 0.059) | |
| Thermostat | Type | Wax pellet type | ||
| Starting temperature to open | 76 - 80°C (169 - 176°F) | |||
| Fully opens | 91°C (196°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 | 120 | |
| Sub fan W | 120 | |||
| Fan diameter/Blades | Main fan | 320 mm (12.6 in)/5 | ||
| Sub fan | 320 mm (12.6 in)/7 | |||
| Radiator | Type | Down flow | ||
| Core dimensions | Width x Height x Thickness | mm (in) | 687.4 x 340 x 16 (27.06 x 13.39 x 0.63) | |
| Pressure range in which cap valve is open | Coolant filler tank side | kPa (kg/cm2 , psi) | Above: 108+/-15 (1.1 +/-0.15, 16+/-2) Below: -1.0 - -4.9 (-0.01 - -0.05, -0.1 - -0.7) |
|
| Radiator side | kPa (kg/cm2 , psi) | Above only: 137+/-14.7 (1.40+/-0.15,20+/-2.1) | ||
| Fins | Corrugated fin type | |||
| Reservoir tank | Capacity | Lambda (US qt, Imp qt) | 0.45 (0.48, 0.40) | |
| Vehicle speed | A/C compressor load | Engine coolant temperature | ||
| When increased: 94°C (201°F)or less When decreased: 91°C (196°F) or less | When increased: 95 - 96°C (203 - 205°F) When decreased: 92 - 94°C (198 - 201 °F) | When increased: 97°C (207°F) or more When decreased: 95°C (203°F) or more | ||
| Operation of radiator fan | Operation of radiator fan | Operation of radiator fan | ||
| When accelerating: 19 km/h (12 MPH) or less When decelerating: 10 km/h (6 MPH) or less | OFF | OFF | Low-Speed | High-Speed |
| Low | Low-Speed | Low-Speed | High-Speed | |
| High | High-Speed | High-Speed | High-Speed | |
| When accelerating: 20 - 69 km/h (12 - 43 MPH) When decelerating: 11 - 64 km/h (7 - 40 MPH) | OFF | OFF | Low-Speed | High-Speed |
| Low | High-Speed | High-Speed | High-Speed | |
| High | High-Speed | High-Speed | High-Speed | |
| When accelerating: 70 - 105 km/h (43 - 65 MPH) When decelerating: 65 - 100 km/h (40 - 62 MPH) | OFF | OFF | Low-Speed | High-Speed |
| Low | High-Speed | High-Speed | High-Speed | |
| High | High-Speed | High-Speed | High-Speed | |
| When accelerating: 106 km/h (66 MPH) or more When decelerating: 101 km/h (63 MPH) or more | OFF | OFF | High-Speed | High-Speed |
| Low | High-Speed | High-Speed | High-Speed | |
| High | High-Speed | High-Speed | High-Speed | |