John Kelly

Contributing Editor

John D. Kelly is a professor of automotive technology at Weber State University in Ogden, Utah, and a former technician. He specializes in automatic and manual drivetrain and NVH diagnosis and hybrid and electric vehicle technology.

Jan. 1, 2020
Electric motors have a distinct advantage in racing. They make all their power instantly or with the push of a button. Hybrid and electric vehicle (EV) power sources are used ...
Jan. 1, 2020
The following hybrid maintenance items are easily completed, but you must follow the proper procedures to avoid unhappy customers and vehicle damage.
Jan. 1, 2020
A customer brings their vehicle into your shop with a vibration complaint; you hesitate to take the job because you know that the success rate of diagnosing and repairing vibration...
June 1, 2018
One app can turn your phone into a powerful Noise, Vibration, and Harshness (NVH) diagnostic aid.