One of the mysteries of the English language finally explained.
A metal chain or reinforced rubber belt that drives the camshaft of an internal combustion engine. Also called timing belt.
- ‘A timing belt or timing chain links the crankshaft to the camshaft so that the valves are in sync with the pistons.’
- ‘The water pump was knackered by a poorly replaced timing chain (I think).’
- ‘The camshaft is driven by the crankshaft by a timing chain.’
- ‘The engine uses an alloy block and cylinder heads for lightweight and thermal efficiency, and features timing chains with no scheduled maintenance (instead of the belts found on many V6s, which must be replaced at set intervals).’
- ‘No timing chains or belts needed here, just gears and shafts.’
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