Glossary “water valve” Definition:
Electrical, mechanical, or vacuum operated device that controls the flow of coolant to the heater core.

Glossary “water wash” Definition:
The forcing of exhaust air and fumes from a spray booth through water so that the vented air is free of thermal sprayed particles or fumes.

Glossary “water resistant” Definition:
Sheds most water, some penetrates.

Glossary “water soluble” Definition:
Material that will dissolve in water.

Glossary “water heated choke” Definition:
Bimetallic spring in the choke assembly that slowly opens the choke during warm up when the engine coolant reaches a specific temperature.

Glossary “water hose test” Definition:
Method used to find body leaks, water is lightly sprayed onto the possible leak area, while someone watches for leaks from inside of the vehicle.

Glossary “water jacket” Definition:
1). Passages inside the cylinder head and engine block through which coolant flows to transfer the heat. 2). The open spaces within the cylinder clock and cylinder head where coolant flows.

Glossary “water pump” Definition:
A device, usually located on the front of the engine and driven by one of the accessory drive belts, that circulates the coolant by causing it to move from the lower radiator outlet section into the engine by centrifugal action of a finned impeller on the pump shaft.

Glossary “water glass” Definition:
Term for sodium silicate.

Glossary “water diverter” Definition:
Device used to direct the flow of coolant in a head or block.

Glossary “water fade” Definition:
A brake fade that occurs when water is trapped between the brake linings and the drum or rotor and the coefficient of friction is reduced.

Glossary “water filter” Definition:
Replaceable filter used to remove impurities from an engine cooling system.

Glossary “water cooled system” Definition:
Term used to identify a liquid cooling system such as one that uses water and antifreeze.

Glossary “water brake” Definition:
Type of absorption unit found on some dynamometers.

Glossary “water column” Definition:
A manometer.

Glossary “water control valve” Definition:
Mechanically or vacuum operated shutoff valve that stops the flow of heated water to the heater core.

Glossary “water cooled” Definition:
Using water or coolant as a heat transfer medium.