ASE Auto Maintenance and Light Repair
Terms & Definitions
Practice Test
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Backing plate
A shaft with eccentric lobes that controls the opening of the intake exhaust valves.
In mechanical terms, wear of a component that exceeds designed limits; wear causes by overloading a part that is in an out-of-balance condition, resulting in lower-than-normal life expectancy of the part being subjected to the adverse operating condition.
The component to which the brake shoes, wheel cylinder related components are attached.
A fuel injection system wherein fuel is sprayed directly into the combustion chamber, that is, no precombustion chambers or manifold injection.