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 MANUALSRENAULT198318I 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMFUEL INJECTION SYSTEM - BOSCH AFCTESTINGCOOLANT TEMPERATURE SENSOR
1983 Renault 18i 4D Sedan, Automatic
Coolant Temperature Sensor
1983 Renault 18i 4D Sedan, AutomaticSECTION Coolant Temperature Sensor
- Warm engine to normal operating temperature and stop engine. Using a thermometer, measure temperature of coolant. Disconnect electrical connector from temperature sensor and connect 1 lead of ohmmeter to terminal in sensor and other lead to ground. Ohmmeter readings should be as specified in table. If not, replace temperature sensor.
TEMPERATURE/RESISTANCE RELATIONSHIP
| Temperature | Ohms |
|---|---|
| 14°F (-10°C) | 7,000-12,000 |
| 68°F (20°C) | 2,000-3,000 |
| 176°F (80°C) | 250-400 |
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.