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 MANUALSHONDA2004S2000 L4-2.2LREPAIR AND DIAGNOSISSPECIFICATIONSPRESSURE, VACUUM AND TEMPERATURE SPECIFICATIONSCOOLING SYSTEMSYSTEM SPECIFICATIONS
2004 Honda S2000 L4-2.2L
System Specifications
2004 Honda S2000 L4-2.2LSECTION System Specifications
| Radiator cap | Opening pressure | 92 - 123 kPa | |
| Thermostat | Opening temperature | Begins to open | 169 - 176 deg F |
| Fully open | 194 deg F | ||
| Cooling fan switch | Thermoswitch "ON" temperature | 196 - 203 deg F | |
| Thermoswitch "OFF" temperature | Subtract 5 - 15 deg F from actual "ON" temperature |
RENDER: 1.0x
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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.