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Output
Anything that comes out of a computer.
Output Driver
An electronic switch in a computer used to turn ON and OFF an actuator in a vehicle.
Output Driver Module
A module capable of controlling seven different outputs with differing loads. It contains circuit protection and data bus communications and fault detection.
Output Member
The driven member of a planetary gearset.
Output Shaft
The main shaft of a transmission.
Output State Check
A Ford performance test in which the Key On/Engine Off mode after the continuous codes have been sent which forces the processor to activate some actuators for additional diagnostics.
Outside Diameter (o.d.)
The major diameter of the outside of a tube or tube-like device.
Outside Snap Ring
A snap ring used on the outside of a shaft or part to hold he assembly in place.
Outside-vehicle Lubrication Services
Work performed outside the vehicle during a chassis lubrication such as checking tire pressure, lubricating door and trunk hinges and locks, cleaning the windshield, and inspecting the safety-related items.
Oval
1. Out of round or egg-shaped. 2. An elliptical race track.
Oval Piston
A term used for cam-ground piston.
Oval Port
An exhaust or intake port that is oval in shape.
OVCV
Outer vent control valve.
Over
A term used for bore or overbore.
Overbore
To enlarge the cylinders of an engine to a size larger than stock diameters.
Overcenter Preload
The adjustment of a steering-gear-sector shaft's resistance to turning.
Overcenter Spring
A spring used on some clutch linkages to reduce the effort required to depress the pedal.
Overcharge
1. A term used when too much refrigerant or oil is added to the refrigeration system. 2. A condition where the charging system is supplying too much voltage/current to the battery.
Overcharging
The continual charging of a battery after it has reached its normally charged condition.
Overcooling
A general term used if the engine does not reach design operation temperature in a predetermined time period.