Glossary “quill” Definition:
The front transmission bearing retainer.
q
quill shaft
Glossary “quill shaft” Definition:
Term used by some manufacturers to refer to the protruding hollow shaft of the transmission’s front bearing retainer.
quit
Glossary “quit” Definition:
To stop the running of an engine unintentionally because of a malfunction.
quick take-up valve
Glossary “quick take-up valve” Definition:
The part of the quick take-up master cylinder that controls fluid flow between the reservoir and the primary low pressure chamber.
Quick Test
Glossary “Quick Test” Definition:
Series of diagnostic tests, consisting of KOEO, KOER, and Continuous Memory Self-Tests. The results are displayed as a series of DTC’s.
quick charger
Glossary “quick charger” Definition:
Battery charger that is designed to charge or boost a battery in a short time.
quick coupler
Glossary “quick coupler” Definition:
Coupler that allows hoses to be quickly connected and/or disconnected. Most shop air hoses, for example, are equipped with quick couplers.
quick release valve
Glossary “quick release valve” Definition:
Device used to exhaust air as close as possible to the service chambers or spring brakes.
quick take-up master cylinder
Glossary “quick take-up master cylinder” Definition:
Dual master cylinder that supplies a large volume of fluid to the front disc brakes on initial brake application, which takes up the clearance of low-drag calipers.
quartz iodine
Glossary “quartz iodine” Definition:
Lamp containing gaseous iodine (I).
Quattro
Glossary “Quattro” Definition:
A full-time, four-wheel drive system by Audi.
quench
Glossary “quench” Definition:
To suddenly cool a heated metal or alloy by dousing it with water or oil. To cool a surface area or mixture.
quench area
Glossary “quench area” Definition:
Any internal portion of a combustion chamber which causes combustion to cease because of the temperature drop in the air/fuel charge where it meets this area.
quick change
Glossary “quick change” Definition:
Any system or sub system that is designed for ease and speed for changing or replacing.
quartz halogen
Glossary “quartz halogen” Definition:
Type of high output lamp containing a gaseous halogen; used for headlights, driving lights, or fog lights.
quarter race cam
Glossary “quarter race cam” Definition:
A camshaft that has been regrown to provide better than standard performance.
quartz
Glossary “quartz” Definition:
Mineral found in nature as a hexagonal cross section. It is pointed at one end and has a fractured base where it broke from the rock formation in which it grew.
quartz crystal
Glossary “quartz crystal” Definition:
Thin slab cut from quartz ground to the proper thickness so it will vibrate at a desired frequency when supplied with energy.
quarter panel
Glossary “quarter panel” Definition:
Term used for the metal work for either the front or rear corner of a vehicle body.
quarter
Glossary “quarter” Definition:
A term used for a quarter-mile drag strip.