Roger Kwapich, owner of Smitty's Automotive, is the creator and 15-year host of the nationally syndicated "The C.A.R. Show"  radio program.

5916 W. Sylvania Avenue
(at Holland - Sylvania)
Toledo, OH 43623
Phone: (419) 882 - 4991
M-F: 7am - 6pm
Sat: Closed
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West Toledo 
5750 Jackman Rd.
(Jackman & Alexis)
Toledo, OH 43613
Phone: (419) 478-1309
Toll Free: (888) 273-1307
M-F: 7:00am -6pm
Sat: 8am - 2pm
[Click for more info and map]
Toledo Automobile Repair & Service. We service your Automobile, Auto, Car, Truck, Pick Up, RV, and Motor Home. Toledo Automotive Repair, Maintenance & Service Specialist, Serving Toledo & Northwest Ohio Auto Owners for over 50 Years.

Ohio Automobile Repair & Service, Serving Toledo, Sylvania, Perrysburg, Waterville, Springfield, Oregon, Rossford, Maumee, Ottawa Hills, Holland, Monclova, Lime City, Swanton, and Delta, Ohio Automobile Owners.

Michigan Automobile Repair & Service Service, Serving Adrian, Lambertville, Temperance, Berkey, Bedford, Samaria, Ottawa Lake, Metamora, Riga, Blissfield, Palmyra, Deerfield, Petersburg, Ida and Monroe, Michigan Automobile Owners.
2 convenient locations 

Smitty's Automotive proudly serves the Toledo, Sylvania and surrounding areas in Northwest Ohio
There are two types of cooling systems: air and liquid. The vast majority of vehicles use liquid cooling systems, and unless you are driving a rare vehicle with an air-cooled system, chances are yours is liquid-cooled. That’s what we’ll address in this article.

Engines actually work best when at a certain temperature (when your coolant is about 200 degrees Fahrenheit). Cool engine components wear out faster, and cause the engine to lose efficiency and emit higher amounts of pollution. The job of a vehicle’s cooling system is not only to prevent the engine from becoming too hot, but also to get to this optimum temperature as soon as possible.

It does this by circulating liquid through key areas of an engine and dispersing the heat there into the air.

The Parts
There are several key components in an engine’s cooling system, all of them having to work in conjunction to keep the engine properly cooled.

The Radiator - The radiator has a system of bent tubes that maximize the surface area. The coolant runs through it and with the aid of a fan, cools down the liquid before it’s sent to the engine again. 

The radiator cap warns you not to open hot. The entire coolant system is pressurized to raise the boiling temperature (much like a pressure cooker). Don’t open this unless the engine is cool, otherwise you could get burned.

The Thermostat - This simple device plays the important role of allowing the engine work up to the proper temperature before allowing the coolant to be pumped through it. Sometimes this part can fail and not allow the coolant through, even as the right temperature is achieved. 

The Water Pump - This component essentially pushes the coolant through the system. If the coolant liquid doesn’t circulate through the system, it will never cool properly and, in turn, not cool the engine.

The Liquid
The liquid that flows through your system is vital to keeping the engine at the proper temperature. Some will use water for this, but it’s advised to use a half and half mixture of water and antifreeze. Antifreeze will not only keep the coolant from freezing in the cold, but also has a higher boiling point, which will help your engine run more efficiently. 

Of course, this fluid needs to be changed on a regular basis. Check the manufacturing specifications for your specific vehicle to see how often you should do this. 

How Do Coolant Systems Work?