ASE Auto Maintenance and Light Repair
Terms & Definitions
Practice Test
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ECU
Electronic control unit
A suspension component that provides a Hibbett point, allowing the steering knuckle to move up and down as well as turn in response to steering input. The ball fits into a socket housing that is attached to the control arm and the stud on the other end of the ball is attached to the steering knuckle. A dustcover is installed over the ball and socket assembly to keep dirt out and lubricant in.
A drum break design that provides increased stopping power due to the servo ourselves energizing action of the brake shoes.
The flow of current from a battery; to remove the refrigerant from an air-conditioning system.