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Vacuum Delay Valve

An orifice-controlled valve which delays a vacuum signal to a diaphragm, such as in the distributor vacuum-advance unit.

Vacuum Diverter Valve

A term used for vacuum pot or vacuum motor.

Vacuum Gauge

An analog or digital instrument used for measuring vacuum.

Vacuum Hose

A rubber-like, plastic or nylon hose used to transmit vacuum.

Vacuum Hydraulic Power Unit

A unit consisting of a vacuum brake cylinder or chamber, hydraulic cylinder(s), and control valve in which driver effort is combined with force from the cylinder piston or chamber diaphragm to displace fluid under pressure for actuation of the brake (s).

Vacuum Kicker

A computer-controlled throttle device used to increase idle RPM during certain operating conditions, such as when the air-conditioning system is in operation.

Vacuum Line

A rubber-like, plastic or nylon tube used to transmit a vacuum reading from one place to another.

Vacuum Modulator

A component of the air-temperature sensor that regulates the amount of vacuum signal that is applied to the servo motor.

Vacuum Motor

1. A device having a chamber containing a vacuum diaphragm used to create movement in a component, such as a heated air-intake blend door, when engine vacuum is routed to the chamber. 2. A device designed to provide mechanical control by the use of a vacuum.

Vacuum Pot

A term used for vacuum motor.

Vacuum Power Unit

A device for operating the doors and valves of an air-conditioner control or duct system using vacuum as a source of power.

Vacuum Programmer

A device with a bleed valve that changes vacuum pressure by bleeding more or less air, thereby controlling the vacuum signal.

Vacuum Pump

An electro-mechanical device used to rid a system of excess moisture and air.

Vacuum Regulator

Provides constant vacuum output when vehicle is at idle.

Vacuum Regulator / Solenoid

Rgeulator valve provides vacuum feedbace to carburetor.

Vacuum Reserve Tank

A container used to store and provide reserve engine vacuum.

Vacuum Retard Delay Valve

Delays the loss of vacuum signal during some vehicle deceleration modes.

Vacuum Secondaries

The secondary bores of a four-barrel carburetor that are opened by a vacuum.

Vacuum Selector Valve

A vacuum valve that controls the vacuum motors, which, in turn, operate the airflow-control doors.

Vacuum Switch

An electrical switch controlled by a vacuum.