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Should I run my engine while adding coolant?

Author of the blog (work in a car repair shop)
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Should I run my engine while adding coolant?

Given that the coolant generally needs to be circulated by the engine pumps sparks the question, does the car engine need to be running when adding coolant? No, you should not at coolant to your car when it is running. Make sure the engine is off and has had time to cool down before adding any coolant.

Can you put coolant in a car when the engine is hot?

In instances where an engine has overheated, causing a breakdown, there may be a need to add fresh coolant/antifreeze to the cooling system. However, you should never add coolant/antifreeze when the engine is hot, and instead wait for it to cool.

How long does it take to add coolant to a car?

1 A hot engine in the summer (with the hood up): wait at least an hour 2 A hot engine in the winter (with the hood up): about half an hour 3 Warm engine: you can add coolant immediately but be careful when opening the expansion tank

Do you run the engine when you drain the coolant?

Yes. You do it whenever you drain coolant out of the system unless otherwise stated by the manufacturer. On your model, you run the engine to get out the air bubbles from all of the various water galleys in your system.

How much coolant should you add to a cold engine?

When you are servicing a cold engine, you should add coolant to one inch below the filler neck which allows for expansion as the engine warms. Coolant can rise as much as one inch as the engine warms up.

Below you will find two interesting articles on a similar topic 👇

Is it normal to have to top off coolant?

Is it okay to drive with low coolant?

Tired of looking for a video for your question?

Video Answer below 👇

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