ASE Engine Repair
Terms & Definitions
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EGR valve
Exhaust gas recirculation valve
Protective rubber cover with accordion pleats used to contain lubricants exclude contaminating dirt, water grime, located at each end of the rack pinion assembly and also used on CV joints.
A voltage signal that uses on off pulses.
Flexible, impermeable membrane on which pressure at to produce mechanical movement; in automotive terminology, any disc shaped device; can be as diverse as thin membranes that separate two chambers and a component, and large metal disc that activate clutch pressure plate.