What Causes a Rattling Sound When Accelerating

Rattling noises when accelerating can be caused by low fluid levels in the A/T. Open the hood and check the fluid level. If the car is running low on transmission fluid, refill the reservoir to the proper level. After doing this, start the car and take a short test drive to see if the problem goes away.

Is it possible for my transmission to make a rattling noise when I press the gas?

Transmission fluid forms a thin layer between the moving parts so that they don’t rub directly against each other. Without enough of it, they will, which can cause your car to rattle while accelerating.

What is the most likely cause of a rattling sound coming from the underside of a vehicle?

If the rattling sound sounds like it is coming from underneath your vehicle, you likely are experiencing a problem with your exhaust system. Exhaust system problems include catalytic converter problems, muffler issues or corroded pipe, can sound like light rattling to rocks shaking beneath your car.