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Viscous Damper

A type of crankshaft harmonic balancer that contains a liquid to control engine vibration.

Viscous Fan

A cooling fan attached to a viscous coupling.

Viscous Friction

The friction between layers of a liquid.

Viscous-Drive Fan Clutch

A belt-driven, water-pump mounted, liquid-filled or thermostatically controlled cooling fan clutch that drives the fan fast at high temperatures and slow at low temperatures.

Viscus Converter Clutch

(VCC) A torque converter clutch that uses a silicone fluid to transfer and multiply torque, the silicon absorbs shock and dampens engine vibration during clutch application.

Visible Light

Electromagnetic radiation that can be seen by the human eye.

Visual Inspection

An inspection by sight as opposed to smell, hearing, touch, or instrumentation.

VIU

Acronym for On Star Vehicle Interface Unit (GM).

VM

Vacuum modulator or vane meter or vacuum motor.

VOC

An acronym for volatile organic compound.

Voice Synthesizer

A computer-controlled phoneme generator capable of reproducing the phonemes used for basic speech, putting them into the right combination to create words and sentences.

Voice Warning System

A warning system that uses a voice synthesizer to alert the driver of monitored conditions.

VOISC

Vacuum operated idle speed controller.

Voiture Omnibus

A French term for carriage for all, loosely translated to bus.

Volatile

[1] Evaporating rapidly. [2] Easily vaporizes or explodes.

Volatile Memory

Memory that does not retain data when power is interrupted to the computer.

Volatility

1. Term used to describe a gasoline's tendency to change from a liquid to a vapor. 2. The measure of how rapidly a liquid evaporates.

Volksrod

A Volkswagen hot rod.

Volt

A unit of measure of electrical force required to produce a current of one ampere through a resistance of one ohm. Named for an Italian physicist Alessandro Volta (1745-1827).

Volta

Alessandro Count Volta (1745-1827 Volta was the Italian physicist which will be remembered by the lable "VOLT" one applied to describe a unit of electric pressure.