A wheel that is a part of a device to control angular operation by means of teeth placed
on the circumference, which enable to determine and transmit the speed and position of
the crankshaft to a sensor.
Top Dead Centre; a moment in which the piston is at the end of its stroke.
A valve that adjusts the flow of coolant liquid; it is able to operate by means of
temperature variation.
A term indicated for installation of threaded components and which is determined by
means of a unit of measurement Nm .
T-MAP (sensor), measures the temperature and absolute pressure inside the intake
collector.
Force applied to an object that rotates on an idler shaft.
Rounded toothed profile (also known as "lobes").
Device that compresses air intake by sending it to the intake manifold by means of a
turbine.
U
Oil altered by operation or time, which is no longer compliant for correct lubrication of the
components.
W
A device, which is directly or automatically controlled, used to limit the pressure of
exhaust gas inside the turbine.
A warning light (usually red) that indicates a serious anomaly during engine operation.
SYMBOLS AND UNITS OF MEASUREMENT
Rotation/inclination angle
1/1000 of a millimetre (micron)