Clunking Noise When Accelerating? – Diagnose Motor Mounts

Steps to Test Motor Mounts for a Clunking Noise when Accelerating

Open the Hood

Open the hood to entry the motor mounts.

Have an Assistant Begin the Automotive, Press and Maintain the Brake, Put It in Reverse, Press the Gasoline, and Put the E-Brake on

Have an assistant within the automobile. With their foot on brake, have them put the automobile in reverse and gently press the accelerator pedal. With the nonetheless foot on the brake pedal, have them put the e-brake on.

Test the Motor Mounts for Extreme Motion

Watch the motor mount for lifting. For the reason that mount is fabricated from rubber, it’s regular for there to be some motion, however search for extreme motion that might trigger a clunking noise.

You’ll sometimes discover motor mounts across the radiator assist and timing chain, and close to the transmission by the subframe.

Test the Motor Mounts for Dry Rotting and Cracking

You may as well raise your car up with a jack and safe it with jack stands. Then pry the motor mount with a pry bar and examine for extreme motion, dry rotting, and cracking.

If there’s extreme motion, the engine mount must be changed.

A dry rotted engine mount received’t be fully damaged, however it should crack and make a clunking noise when the car is accelerating.

Extra on checking motor mounts and entrance finish elements in case you hear a clunking noise when accelerating