How Often Do I Need to Top Off My Coolant?

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"Coolant" is a term used to refer to radiator fluid. The purpose of coolant is to circulate through the engine compartment of a vehicle to dispel some of the heat that’s manufactured through the combustion process. It flows through tubes or hoses into the radiator.

What does the radiator do?

A radiator is the cooling system in a vehicle. It is designed to transfer heat from the hot coolant that flows through it to the air blown through it by the fan. Radiators operate by pushing hot water from the engine block through hoses that allow the heat from the water coolant to dispel. Once the liquid is cooled down, it is returned to the engine block to absorb more heat.

The radiator is usually mounted in the front of a vehicle, behind the grill, which allows it to take advantage of the air intake that happens as the vehicle is being driven.

How often should I top off my coolant?

Anytime coolant loss happens, it is important to replace the coolant as soon as possible. If the radiator does not have enough coolant, it may not be cooling the engine down properly, and engine damage could result from overheating. Coolant loss is often first noticed when the vehicle’s thermometer registers a hotter than average reading. Typically, coolant loss is caused by a leak. A leak can be either internal, such as a leaky gasket, or external, such as a hose failure or crack in the radiator. An external leak is usually determined by a puddle of coolant underneath the vehicle. Coolant loss can also be caused by a leaky or improperly sealed radiator cap allowing the super-heated coolant to evaporate.

Failure to top off the coolant could result in catastrophic damage to a vehicle. If you’re noticing that you have to keep refilling the coolant, it’s important to have a licensed mechanic inspect the cooling system to figure out why the coolant loss keeps occurring.


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Recent Coolant is leaking Inspection reviews

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YourMechanic Coolant is leaking Inspection Service

Average Rating

4.8/5

Number of Reviews

1,137

Rating Summary
1,053
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1,053
38
5
10
31

Victor

33 years of experience
97 reviews
Victor
33 years of experience
Ford Edge - Coolant is leaking - Albuquerque, New Mexico
Victor was very thorough and explained everything to me as he went along. He was patient when I didn't understand and took his time to ensure I had a clear picture about how my engine blew. Very friendly, nice and most important....knowledgeable. I would work with him again.
Toyota 4Runner - Coolant is leaking - Albuquerque, New Mexico
Very professional! My truck is running great!! Would definitely call on my mechanic again to fix little red. Awesome Experience... thank you Victor..

Chris

20 years of experience
1612 reviews
Chris
20 years of experience
Saab 9-3 - Coolant is leaking - San Juan Capistrano, California
I appreciated that Chris arrived earlier than appointment time. He was very knowledgeable, professional and personable and provided me with all the information I needed regarding what my car needed to fix the problem. I would highly recommend Chris!

Arturo

25 years of experience
35 reviews
Arturo
25 years of experience
Chevrolet Cruze - Coolant is leaking - San Diego, California
Very knowledgeable with the diagnostic . Friendly and trust he will do a great job on the car repairs.

Andrew

10 years of experience
23 reviews
Andrew
10 years of experience
BMW 323i - Coolant is leaking - Cape Coral, Florida
Andrew is knowledge and performed the diagnosis an presented proposal quickly. He worked to get parts lined up and scheduled the repair for tomorrow. Excellent experience.

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