ASE Engine Repair
Terms & Definitions
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Diaphragm
A device that atomizes air and fuel in a proportion that is burnable in the engine.
Flexible, impermeable membrane on which pressure at to produce mechanical movement; in automotive terminology, any disc shaped device; can be as diverse as thin membranes that separate two chambers and a component, and large metal disc that activate clutch pressure plate.
A torsion bar spring connecting the suspension on either side of the vehicle. When a vehicle rolls on the side and a turn, the suspension at the out side wheel compresses and the suspension at the inside wheel extends. The stabilizer bar that connects them twist to apply a counteracting forced to hold the vehicle closer to level.
A device attached to a mechanically driven cooling fan that allows the fan to freewheel when the engine is cold and the vehicle is driven at speed.