ASE Auto Maintenance and Light Repair
Terms & Definitions
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Body over frame
A compound or substance that can speed up or slow down the reaction of other substances without being consumed itself. In a catalyst converter, special materials platinum or palladium and rhodium in parentheses are used to promote combustion of an burned hydrocarbons and reduce carbon monoxide and nitrogen oxides in the exhaust gases.
A type of vehicle construction also called a full frame. It features a strong steel construction called a frame that extends from the front to rear of vehicle. The engine other major assemblies are mounted on the frame. The 2 primary full frame types are ladder perimeter design. Both are designed with the crossmembers connecting the left right rails.
A soft bearing alloy used in engine bearing.
The unburned fuel products of combustion that are forced pass the piston rings and into the crankshaft during the combustion stroke.