8 Signs Your Thermostat Is Broken. How do I know if my car's thermostat is bad?
8 Signs Your Thermostat Is Broken:
1. You Notice Erratic Temperature Changes.
2. You Find Incorrect Readings on the Temperature Gauge.
3. Your Vehicle Makes Concerning Noises.
4. You Find Coolant Leaks.
5. You Notice Problems with the Heating System.
6. You Notice Problems with the AC.
7. Erratic temperature changes.
8. Overheating (or overcooling).
While relatively cheap, a thermostat is one of the most crucial car parts.
If you don’t want to change your engine entirely, you must address the root issue with your failing thermostat.
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