Q: I have a 2020 Nissan Rogue. The first time I took it in for an oil change, the service department said I should replace the brake fluid. I'm from the older generation and remember replacing the ...

Most drivers know that they need to check their car’s engine oil and top it off as needed on a regular basis, but most drivers also forget about their transmission fluid. Just like an engine, a manual ...

The process works because liquids are incompressible, and the density remains almost unchanged even during pressure and temperature rises. However, the fluid must retain its properties at all ...

Can't decide whether to use mineral oil or DOT brake fluid? Here are the differences between the two, and the impact they can ...

So you're all scared about the condition of your transmission, whether or not you've properly filled it with whatever fluid it's so thirsty for. Unfortunately for you, your car's manufacturer hates ...

A: Honda recommends changing the transmission fluid at 120,000 miles and — for most drivers — that would be about 10 years. Some technicians believe that flushing or even a drain and refill of a ...

Going out to your car and finding a leak can make you worry about making it out of the driveway, let alone to the nearest auto repair shop. Depending on the severity of the leak, you may need to tow ...

Automotive fluids are rather gross and toxic, and brake fluid is among the worst of them. Glycol-based brake fluid (DOT 3 or 4), used in the vast majority of cars, can act like paint thinner if ...

Viewer-submitted questions for The Car Doctor: Q: I have seen windshield wiper fluid at winter prices as high as $18/gallon. Do you have a recipe for homemade fluid that won’t ruin the rubber lines, ...

Viewer-submitted questions for The Car Doctor: Q: When I was young and worked on my cars and motorcycles my tools would come from the local Sears store. I actually still have some of those tools and ...