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 MANUALSCHEVROLET1997ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCOOLANT TEMPERATURE SENSOR/SWITCH (FOR COMPUTER)SERVICE AND REPAIR
1997 Chevrolet Astro Van 2WD V6-4.3L VIN W
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.