timing chain

timing chain
A drive chain driven by the crankshaft and operates the camshaft. It causes the valves to open and close at the proper time. When an engine is rebuilt, it is important to line up the crankshaftsprocketcamshaft sprocket before applying the chain. When the chain often a valve will remain open and be hit by the rising piston causing the valve to bend and other internal damage. In OHC engines, it is called a camchain chain or cam chain

Dictionary of automotive terms. 2015.

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  • timing chain — /ˈtaɪmɪŋ tʃeɪn/ (say tuyming chayn) noun the chain which operates the timing in an internal combustion engine by driving the camshaft from the crankshaft …  

  • timing chain — a chain for driving the camshaft of an internal combustion engine from the crankshaft. * * * …   Universalium

  • timing chain — a chain for driving the camshaft of an internal combustion engine from the crankshaft …   Useful english dictionary

  • Timing belt — For other belts, see Belt (disambiguation). Timing belt Timi …   Wikipedia

  • timing — One of the essential factors in a internal combustion engine (Fuel, Air, Proper proportion of mixture, compression Timing, spark). When the piston is in the compression stroke both valves must be closed. If one or more is open, the valve timing… …   Dictionary of automotive terms

  • Chain — For other uses, see: Chain (unit) or Chain (disambiguation). A broad metal chain made of torus shaped links …   Wikipedia

  • Chain drive — Roller chain and sprocket Mack AC delivery truck at the Petersen Automotive Museum with chain drive visible Chain drive is a way of transmitting mecha …   Wikipedia

  • chain drive — A system of transferring power from one shaft to another by means of sprockets and an endless chain. This is the system used on a bicycle; but it is also used on an engine to control the timing of valve opening (called timing chain or cam chain ) …   Dictionary of automotive terms

  • chain — Linked, flexible metal rope that connects two sprockets (e.g., the chainwheel to the back wheel cogs, sized differently for different types of bikes.) The teeth of the sprockets fit inside the spaces between the links. Also called a roller chain …   Dictionary of automotive terms

  • timing belt — noun a part of an internal combustion engine that controls the timing of the engines valves. Syn: cam belt, timing chain …   Wiktionary

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