Tuesday, 29 September 2020, 4:16 AM
Site: IMI eLearning
Course: IMI eLearning (IMI eLearning)
Glossary: Automotive Glossary


To make information sink in.

Relative Density

The ratio of the density of one substance to the density of water. Used to measure battery acid strength. Specific gravity is a similar but older term.


Electromagnetic switch used in electric circuits to reduce load on smaller switches.

Relay Coil

The winding in a relay that when power is supplied to it, causes magnetism, which in turn makes the relay contacts close.


Electromagnetic switches used in electric circuits.

Release Bearing

Shaft-mounted thrust bearing that transmits the action of the clutch pedal to disengage the clutch.

Release Fingers

The fingers in a circular section of the diaphragm on a clutch that move when the release bearing is operated.

Release Fork

The actuating lever that moves the release bearing of a clutch.

Release Levers

See Release Fork.

Release Mechanism

Components joining the clutch pedal to the pressure plate of the transmission clutch.