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 ...

Since your car’s brakes are part of a hydraulic system, they won’t function without this critical fluid, and it’s essential to change it regularly. Choosing the right type is also paramount, and ...

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

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 ...

Changing your car's transmission fluid is an important part of its periodic maintenance. You can take it to a shop, but DIY is an option. Here's what you need.

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 ...

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 ...

See a puddle of blue-green fluid under your car? You likely have a coolant leak. (This car fluid can also be pink or orange, depending on what type of coolant you’re using.) If you spot this type of ...