How to Top Up Your Car's Coolant: Easy Steps for a Cool Ride

by AutoExpert   |  11 April, 2024

Share :

Cars are awesome, but they do need some looking after. One of the worst things is seeing that temperature gauge creeping up... Good news is, topping up your coolant is easy and helps prevent that whole mess.

What Even IS Coolant?

It's not just fancy-colored water. It's got special stuff mixed in that helps:

  • Keep your engine from getting TOO HOT in the summer.
  • Prevent the whole thing from FREEZING UP in the winter.
  • Protect your engine parts from wearing out too fast.

Car's Coolant

Uh-Oh... My Coolant's Low! What Happens?

  • Overheating = BAD NEWS. Warped parts, blown gaskets, the works... not cheap to fix.
  • Your heater might stop blowing hot air (brrr!).
  • Less fuel mileage, more pollution.

Car's Coolant

Okay, How Do I Add Coolant?

You got this! Here's the deal:

  1. Find the Tank: Usually white plastic, near the radiator. May have a thermometer symbol on it. Your car's manual will show you for sure.

  2. Engine OFF and COOL: Seriously, hot coolant can burn you badly.

  3. Check the Level: See the lines on the side of the tank? Fluid should be up to the "Full" one.

  4. Mix Your Coolant: Sometimes it comes pre-mixed, sometimes you gotta add water (check the bottle). 50/50 mix is typical.

  5. Fill 'er Up: Use a funnel, go slow, stop at the "Full" line. Coolant expands when hot, so you need that extra space.

  6. Check for Leaks: Run your car a few minutes (heater on HOT to get the coolant moving). Look underneath for drips – if you see those, it's mechanic time.

Car's Coolant

Safety Stuff:

  • Engine's cool before you open that tank, remember!
  • Use the coolant your car's manual tells you to – mixing them can cause problems.
  • Old coolant is bad for the environment, so take it to an auto shop for recycling.

And there you have it! Checking your coolant regularly is way easier than dealing with an overheated engine.

Recomended:

These 5 Hypercars Prove the Gasoline Dream Isn’t Dead Yet - Photo
Others
These 5 Hypercars Prove the Gasoline Dream Isn’t Dead Yet

A prancing horse is now in the stable.1. Gordon Murray Automotive T.50"The last great analogue supercar," that's the promise Gordon Murray made and he's held up his end of th

AutoExpert
This Affordable Sedan Keeps More of Your Money Than Almost Any Rival - Photo
Others
This Affordable Sedan Keeps More of Your Money Than Almost Any Rival

While SUVs have taken over from the sedan as the vehicle design of choice for American masses, the latter still has its place. Not only do they generally look better than the tall and ungainly SUV cro

AutoExpert
How Much Rising Gas Prices Really Cost Truck and Sedan Owners - Photo
Others
How Much Rising Gas Prices Really Cost Truck and Sedan Owners

Gas prices. Given recent events they've been on everyone's minds as rising oil prices cause gasoline prices to climb across the U.S. and around the world. We won't dive into why costs have

AutoExpert
Buick Is More Popular in China Than America and Here’s Why - Photo
Others
Buick Is More Popular in China Than America and Here’s Why

While Washington and Beijing rarely see eye to eye, Chinese car buyers have long been remarkably unified in their affection for one American brand. That brand is Buick which last year delivered 436,72

AutoExpert
Only Two Manual SUVs Are Left in 2026 and One Is Much Cheaper - Photo
Others
Only Two Manual SUVs Are Left in 2026 and One Is Much Cheaper

While SUVs have become a staple of American roads over the past couple decades, very few new ones are still available with a manual gearbox. Truth is the manual isn't being sold as an option with

AutoExpert
Self-Driving Cars May Succeed on Tech but Fail in Politics - Photo
Others
Self-Driving Cars May Succeed on Tech but Fail in Politics

Battery-electric cars became a political mess well before Elon Musk turned public opinion against his cars by leading the "government efficiency" campaign that sent about 300,000 federal emp

AutoExpert
Renault’s Tiny New Off-Roader Looks Ready to Challenge the Jimny - Photo
Concept
Renault’s Tiny New Off-Roader Looks Ready to Challenge the Jimny

Renault has previewed a new compact off-roader called the Bridger Concept, a small SUV designed to take on vehicles like the Suzuki Jimny. The catch is that most people will probably never see it in t

AutoExpert
Renault futuREady Plan Promises 36 New Models By 2030 - Photo
Car News
Renault futuREady Plan Promises 36 New Models By 2030

Renault Group has revealed a new long-term strategy called futuREady, and it is a pretty ambitious one. The plan promises dozens of new models, cheaper electric cars, and much faster development cycle

AutoExpert
The Cayenne EV Just Got A 657 HP Middle Model - Photo
Car News
The Cayenne EV Just Got A 657 HP Middle Model

Porsche is expanding the electric Cayenne lineup with a new middle option called the Cayenne S Electric. It sits between the entry-level model and the upcoming Porsche Cayenne Electric Turbo, giving b

AutoExpert
This $240K Range Rover Comes With Skis and Only Three Exist - Photo
Car News
This $240K Range Rover Comes With Skis and Only Three Exist

Land Rover has introduced another themed version of its performance flagship, this time drawing inspiration from snowy mountain scenery. The new Range Rover Sport SV Winter Dusk takes cues from the co

AutoExpert