You're in the driveway, hood popped, transmission fluid ready to pour, do you add it with the engine running, or kill the motor first and hope for the best? It's a common question, and getting it ...

Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. Changing your own automatic transmission fluid should be done every 20,000 to ...

Multi-vehicle automatic transmission fluid might seem like something that's easy to use with any vehicle. But it's better to ...

Has your car’s transmission suddenly started acting up? Is it shuddering while you’re on the road, or struggling with harsh gear changes? It’s time to check out what’s happening under the hood.

Car maintenance can be as difficult as it is messy. This is primarily because there are just so many fluids involved. Fluids of the darkest, stickiest, most potentially dangerous sort, in many cases.

Dear Car Talk: I own a 2000 Jeep Cherokee. It needs fresh transmission fluid. What would your honest answer be about the benefits of “flushing” the transmission versus a transmission fluid “change”?

Modern vehicles rely on a host of fluids to send us down the road. Some, like engine oil and coolant, are well-known, while others, like differential fluid, are less-familiar to average motorists.