noun
- a device that applies or maintains tension in something, especially a belt, chain, or cable
Usage: mechanical/automotive
Examples
- The belt tensioner keeps the serpentine belt tight in the engine.
- Replace the chain tensioner if you hear rattling from the timing chain.
- The automatic tensioner adjusts as the belt stretches over time.
- A faulty tensioner can cause the belt to slip or break.
- The mechanic installed a new tensioner pulley during the repair.
- Check the tensioner spring for proper operation.