Answer
Nov 21, 2024 - 07:08 AM
An accessory drive belt tensioner is a component in an automotive engine that maintains the correct tension on the drive belt, which powers auxiliary components like the alternator, power steering pump, and air conditioning compressor. It typically consists of a spring-loaded arm with a pulley, allowing it to automatically adjust to variations in belt length due to wear and engine operation. Proper tension is crucial for optimal performance and to prevent belt slippage or damage.
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