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 ...

We earn commissions from purchases you make using links in our articles. Learn more. Most drivers know that regular oil changes are important for keeping their vehicles performing at their peak, but ...

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.

Every auto parts store in America has a wall of engine and transmission additives that, no matter what's actually in them, promises to fix or rebuild some component or system that needs actual, ...

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.

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.

Since modern automatic transmissions are generally seamless, any noticeable symptoms are important warnings that should prompt an immediate diagnosis.