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Chevrolet
Impala
Engine Cooling
Water Pump
Replace/Remove
How to replaced water pump and thermostat
2005 CHEVROLET IMPALA
170,000 MILES • 3.4L • 6 CYL • 2WD • AUTOMATIC
MARYLAN ROSE
MEMBER
1 POST
Flushed system. Gauge inside stays on zero no matter how long the car has been running.
Dec 5, 2019 at 3:24 AM
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KASEKENNY
✓
Experienced Mechanic
18,907 POSTS
This does not sound like a water pump or thermostat issue. This sounds like an engine cooling temperature sensor issue or possibly wiring.
I would remove the sensor and test it or replace it and see if the gauge is restored.
Here is some info about this. Let me know what questions you have. Thanks
https://www.2carpros.com/articles/symptoms-of-a-bad-coolant-temperature-sensor
https://www.2carpros.com/articles/how-a-coolant-temperature-sensor-works
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Dec 5, 2019 at 11:31 AM
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