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.
2000 Lexus SC 300FACTORY OEM SERVICE PROCEDURE
Cooling System Specifications
COOLING SYSTEM SPECIFICATIONS
| Application | Specification | ||||||
|---|---|---|---|---|---|---|---|
| Coolant Replacement Interval | (1) | ||||||
| Coolant Capacity (2) | |||||||
| ES300 | 9.7 Qts. (9.2L) | ||||||
| GS300 | 8.1 Qts. (7.7L) | ||||||
| GS400 | 9.8 Qts. (9.3L) | ||||||
| LS400 & SC400 | 11.6 Qts. (11.0L) | ||||||
| LX470 | |||||||
| With Front Heater | 15.6 Qts. (14.8L) | ||||||
| With Front & Rear Heater | 16.3 Qts. (15.3L) | ||||||
| RX 300 | 9.5 Qts. (9.0L) | ||||||
| SC300 | 9 Qts. (8.5L) | ||||||
| Radiator Cap | |||||||
| Standard Pressure | 17.8 psi | ||||||
| Minimum Pressure | 11.4 | ||||||
| Thermostat Opening Temperature | 176-183°F (80-84°C) | ||||||
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Factory Service Tools
Use the Manual With the Right Hardware
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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.