Coolant Temperature Sensor/Switch (For Computer): Service and Repair

1998 Mercury Sable V6-3.0L DOHC VIN SSECTION Service and Repair





REMOVAL
1. Partially drain engine cooling system.
2. Disconnect battery ground cable.
3. Disconnect engine control sensor wiring from Engine Coolant Temperature sensor (ECT sensor).
4. Remove engine coolant temperature sensor.

INSTALLATION
1. Follow removal procedure in reverse order.
2. Tighten engine coolant temperature sensor to 14-19 Nm (11-14 lb-ft).
3. Refill engine cooling system.
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.