Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2008OPTRA5 LT, STANDARDREPAIR AND DIAGNOSISENGINE MECHANICALCOOLING SYSTEM (MECHANICAL)ENGINE COOLINGSPECIFICATIONSENGINE COOLING SYSTEM SPECIFICATIONS (2.0L DIESEL)
2008 Chevrolet Optra5 LT, Standard
Engine Cooling System Specifications (2.0L Diesel)
2008 Chevrolet Optra5 LT, StandardSECTION Engine Cooling System Specifications (2.0L Diesel)
| Application | Specification | |
|---|---|---|
| Unit | Standard | |
| Cooling System | ||
| Cooling Type | - | Forced Water Pressurized |
| Coolant | ||
|
- | DEX-COOL/Silicated Based Coolant |
|
L (qt) | 8 (8.5) |
| Thermostat | ||
|
- | Wax Pallet |
|
°C (°F) | 78-82°C (172-180°F) |
|
°C (°F) | 95°C (203°F) |
|
°C (°F) | 75°C (167°F) |
| Cooling Fan | ||
|
- | Axial Flow Type |
|
EA | 7 |
|
mm (in) | 408 mm (16.06 in) |
|
°C (°F) | 94°C (201°F) |
|
°C (°F) | 91°C (195°F) |
|
°C (°F) | 98°C (208°F) |
|
°C (°F) | 95°C (203°F) |
| Surge Tank | ||
|
kPa/psi | 140 (20) |
|
kPa/psi | 10 (1.5) |
| Water Pump | ||
|
- | Centrifugal |
|
mm (in) | 85 mm (3.35 in) |
|
EA | 7 |
| Radiator | ||
|
mm (in) | Cross Flow |
|
mm (in) | 565 mm (22.24 in) |
|
mm (in) | 414 mm (16.3 in) |
|
mm (in) | 27 mm (1.063 in) |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.