Monthly Archives: December 2025

Is That Clunking Noise From Your Transmission or U-Joints?

Is That Clunking Noise From Your Transmission or U-Joints?

A new clunk from underneath the car can be unnerving, especially when you shift into gear or roll on and off the throttle. Sometimes it shows up only when you first pull away, other times you hear it every time the vehicle shifts or coasts. That sound usually means something in the drivetrain has too much play and is taking up that slack with a thump. Two of the most common suspects are the transmission and the U-joints in the driveshaft. What That Clunking Noise Really Sounds Like Drivers often describe driveline clunks as a single, solid “thunk” when shifting from park to drive or from drive to reverse. You might hear it when you lift off the gas and then get back on it again, as the load changes. In some cases, there is a light rattling or knocking at low speed that smooths out as you accelerate. If the noise seems to come from the middle or rear of the vehicle instead of right under the hood, it is a strong hint ... read more

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