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.
1983 Jaguar XJ6 BaseFACTORY OEM SERVICE PROCEDURE
Coolant Temperature Sensor
- Disconnect battery ground cable and electrical connector from sensor. Connect an ohmmeter between sensor terminals. Reading should be as specified. See Temperature/Resistance Relationship chart.
- Disconnect ohmmeter and check resistance between each terminal and sensor body. A very high resistance denoting an open circuit should be obtained. If sensor does not respond as outlined, replace coolant temperature sensor.
TEMPERATURE/RESISTANCE RELATIONSHIP
| Temperature °F (°C) | Ohms |
|---|---|
| 32 (0) | 5900 |
| 68 (20) | 2500 |
| 104 (40) | 1180 |
| 140 (60) | 600 |
| 176 (80) | 325 |
Factory Service Tools
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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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