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.

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 ...

Everybody makes a big deal about regular engine oil changes, and with good reason. Just like any other part of a vehicle, oil wears down during constant use and needs to be replaced to ensure your ...

At the car repair shop, we often hear mechanics mention gear oil and transmission fluid when discussing any fix involving the gearbox — so much so that many might have started to believe that they are ...

John Paul, AAA Northeast's Car Doctor, answers a question from a reader who was told they never had to change their vehicle’s transmission fluid. The Car Doctor answers a question from a reader who ...