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

1997 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Service and Repair








REMOVAL PROCEDURE

NOTE: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.

1. Remove the negative battery cable.
2. Drain the cooling system below the level of the ECT sensor.
3. Remove the electrical connector releasing locking tab.
4. Remove the ECT Sensor.

INSTALLATION PROCEDURE
1. Install the ECT sensor to the engine.
2. Refill the coolant system.
3. Connect the negative battery cable.
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.