How to Tell Car Thermostat Is Bad (Symptoms of Stuck Open Stuck Closed and Overheating)
Top 5 Auto Repairs · 546K views · 3:02
Skill Level
BeginnerTime Required
Half dayEstimated Cost
$0–50Equipment
Honda Civic 10th Gen (2016-2021)Permit Required
NoTools Needed
Socket set, Wrench set, Screwdrivers, Drain pan, Coolant, Gasket scraperSymptoms and signs of a stuck open, stuck closed, partially stuck open car thermostat. Learn what cause it to fail, why it is important for the cooling and heating system and how it can affect engine tperformance. A bad thermostat will cause the engine to overheat, run cooler and cause temperature fluctuations depending whether it is stuck open or closed. Always replace the thermostat when it is leaking. In addition, make sure the thermostat hole is facing up installing.
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