VALVE BODYHousing that contains most of the
valves used in operation of an automatic
VALVE COREA threaded air valve that screws
into place in a valve stem.
VALVE STEMA rubber inflation tube with a
threaded metal core that snaps into a hole on the
rim of a wheel designed for tubeless tires.
VALVE STEM CAPA cap placed over the end of
the valve stem to prevent stem wear.
VOLTAGEElectrical pressure that causes current
VOLTAGE DROPReduction of the amount of
current flowing in a circuit.
VOLTGAE DROP TESTStarting system test that
identifies parts showing high resistance.
VOLTAGE REGULATORDevice used to control
WEAR BARSolid bars of rubber across the tread
that appears when a tire has worn to an unsafe
WET CHARGEDBattery that is filled with
electrolyte and fully charged at the factory.
WHEEL ALIGNMENTAdjusting wheels of a
vehicle to roll in a straight line.
assemblies that reduce friction as wheels or axles
WHEEL BRAKE ASSEMBLIESComponents
that use hydraulic pressure to apply friction for
stopping a vehicle.
actuates braking at each wheel.
caused by dynamic imbalance.
WHEEL SPEED SENSORSMagnetic pickups to
detect wheel speed (used on anti-lock braking
WHEEL WEIGHTSmall pieces of lead that are
clipped to the wheel rim to balance the wheel and
WINDINGLoop or wire on a motor armature that
generates a magnetic field.
relationships of components in an electrical
WIRING HARNESSA group of primary wires
enclosed in a protective plastic covering.
WORM SHAFTInput gear in a recirculating ball