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.
2005 Lexus LS 430FACTORY OEM SERVICE PROCEDURE
Service Data
Cooling - Service Data
| Radiator cap | Relief valve opening pressure | STD | 93 - 123 kPa (0.95 - 1.25 kgf/cm2 , 13.5 - 17.8 psi) |
| Minimum | 78 kPa (0.8 kgf/cm2 , 11.4 psi) | ||
| Electric cooling fan | Rotating amperage | at 20°C (68°F) | 9.2 - 11.0 A |
| Cooling fan computer wire harness amperage | 9 - 14 V | ||
| Thermostat | Valve opening temperature | 80 - 84°C (176 - 183°F) | |
| Valve lift | at 95°C (203°F) | 10 mm (0.39 in.) or more | |
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.
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