IRS Phone Number for Taxpayers Living Abroad (International) â If you are calling about an issue with filing electronically contact the Austin Office at 512-416-7550 (7am to 6pm CST).. Call 1-800-829-1954 â Check Status of Refund or Get Questions Answered around it.
Definition of drivetrain : the parts (such as the universal joint and the driveshaft) that connect the transmission with the driving axles of an automobile; also: power train the drivetrain warranty
n. also free wheel. 1  1. A power-transmission device that allows the drive shaft of a motor vehicle to continue turning when its speed is greater than that of the engine shaft. 2  2. A clutch in the rear-wheel hub of a bicycle that permits the wheel to turn without pedal action, as in coasting.