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Do You Need To Bleed Coolant After Replacing Thermostat? [Solved]
After replacing a thermostat, the technician should ensure all air pockets are removed from the cooling system. Otherwise, the vehicle will be more likely to overheat. After replacing the thermostat, refill antifreeze. Leave the radiator cap off, and start the vehicle.
Overheating After Replacing Radiator, Pump, Thermostat? Burp Coolant to Remove Air Pockets!
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How to Bleed Air Out of Your Car’s Cooling System - DIY Method
In this video
Refilling Coolant When Changing Thermostat
Refilling