Here are 2025's most popular questions and answers from The Journal's Car Doctor column, from rotating tires to oil changes.

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

Shocked by a $1,400 bill for a routine transmission service? You aren't alone. One 2022 Chevy Silverado owner found out the ...

The 1999 Ferrari 550 Maranello offers a V12 engine and manual transmission unavailable in new models. Features include ...

The simple act of flushing or draining something down your sink might seem harmless, especially when you're in a hurry to ...

Ford's long-lost Probe IV concept car resurfaces in a place where you would least expect it: it is for sale on Facebook ...

But even after the flush, Fleet Response denied approving the full replacement. According to WFTV Channel 9, emails from the dealership clearly outlined the need for a new transmission, but Take 5 ...

What was supposed to be quick trip for an oil change left Shannon Gerdauskas of DeLand with major concerns about her car. Recalling that day in October, Gerdauskas said, “I was like ‘Oh, my God, is ...

A 2025 GMC Sierra owner with just 12,500 miles faces a major transmission failure. The dealer's suggested "weak fix" is a red flag. Read why I think the flush is a stall tactic and what other owners ...

Legal tech is flooded with capital, but even as money pours in, structural roadblocks persist. The sector faces the unglamorous task of making legal data machine-readable through annotation and ...

The Hydra-Matic 6T40 (production code MH8/MHB) is a six-speed automatic transmission produced by General Motors for use in front-wheel-drive vehicles with a transverse powertrain orientation.