ASE Engine Repair Terms & Definitions Practice Test

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Bimetallic
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.
Two kinds of material, with different thermal expansion rates, that when attached to one another, the resulting assembly will bend in the direction of the metal that expands the least.
Automatic transmission fluid
A suspension device made up of a flexible bladder containing compressed air. The airspring takes the place of a conventional coil or leaf spring. Air is supplied by onboard compressor, usually with auxiliary equipment two cents vehicle height modify the pressure in the air spring as needed.