April 14, 2019
If you're a quart low in your vehicle, there isn't enough motor oil to lubricate your engine properly. The extra friction causes drag that reduces fuel economy while you're driving around the Chicago area.
The same goes for dirty oil; it doesn't reduce friction properly. The result is you get to watch those numbers at your local Chicago gas pump rolling higher and higher.
The transmission also needs the proper amount of clean fluid to do its work. When it's in need of service, the transmission drags your fuel economy down.
So keep it clean at Tuffy Chicago (Diversey Pkwy) and give yourself a fighting chance.
Tuffy Chicago (Diversey Pkwy)
1400 West Diversey Pkwy
Chicago, Illinois 60614
773-929-3622

January 4, 2026
Its always a good idea to keep your cool, and thats especially true when it comes to some components of your vehicle. One is the engine. Its hot under that hood thanks to the mini explosions that are occurring in the internal combustion engine when its running. Your vehicle has a cooling syste... More

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You may have never thought about it, but when you turn a corner, the wheels on one side of your vehicle turn at a different speed than the other side. What is this magic? The answer is something called the differential. A differential is a gear box placed between the drive wheels and needs lub... More

December 21, 2025
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