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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2000C TAHOE 2WD V8-4.8L VIN VREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCOOLANT TEMPERATURE SENSOR/SWITCH (FOR COMPUTER)SERVICE AND REPAIR
2000 Chevrolet C Tahoe 2WD V8-4.8L VIN V
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
2000 Chevrolet C Tahoe 2WD V8-4.8L VIN VSECTION Service and Repair
REMOVAL PROCEDURE
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Drain the engine coolant. Refer to Draining and fitting Cooling System in Engine Cooling.
3. Lower the vehicle.
4. Disconnect the electrical connector from the Engine Coolant Temperature (ECT) sensor.
NOTE: Refer to Handling Coolant Sensor Notice in Cautions and Notices.
5. Remove the ECT sensor.
INSTALLATION PROCEDURE
NOTE: Refer to Handling Coolant Sensor Notice in Cautions and Notices.
1. Coat the ECT sensor threads with sealer GM P/N 12346004 or the equivalent.
NOTE: Refer to fastener Notice in Cautions and Notices.
2. Install the ECT sensor.
Tighten
Tighten the ECT sensor to 20 N.m (15 lb ft).
3. Connect the ECT sensor electrical connector.
4. Refill the engine coolant. Refer to Draining and fitting Cooling System in Engine Cooling.
5. Start the engine and check for leaks.
6. Reinspect the engine coolant level. Refer to Draining and Filling Cooling System in Engine Cooling.
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Drain the engine coolant. Refer to Draining and fitting Cooling System in Engine Cooling.
3. Lower the vehicle.
4. Disconnect the electrical connector from the Engine Coolant Temperature (ECT) sensor.
NOTE: Refer to Handling Coolant Sensor Notice in Cautions and Notices.
5. Remove the ECT sensor.
INSTALLATION PROCEDURE
NOTE: Refer to Handling Coolant Sensor Notice in Cautions and Notices.
1. Coat the ECT sensor threads with sealer GM P/N 12346004 or the equivalent.
NOTE: Refer to fastener Notice in Cautions and Notices.
2. Install the ECT sensor.
Tighten
Tighten the ECT sensor to 20 N.m (15 lb ft).
3. Connect the ECT sensor electrical connector.
4. Refill the engine coolant. Refer to Draining and fitting Cooling System in Engine Cooling.
5. Start the engine and check for leaks.
6. Reinspect the engine coolant level. Refer to Draining and Filling Cooling System in Engine Cooling.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.