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Drive belt slipping occurs when the belt does not maintain proper tension or grip on the pulleys it is meant to drive. This can lead to a loss of power transmission, resulting in degraded performance. For vehicles, this might manifest as a reduction in engine power, compromised accessory function, or unusual noises emanating from the engine compartment. In industrial machinery, slipping belts can lead to equipment downtime and decreased productivity.


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A timing belt is a rubber band with high-tensile strength and is anchored with fibers and teeth. It synchronizes the rotation of the engine’s crankshaft and camshaft(s), ensuring that the engine's valves open and close at the correct times during each cylinder’s intake and exhaust strokes. Without a properly functioning timing belt, your Nissan's engine performance could significantly decline, potentially leading to catastrophic engine failure.


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A tensioner belt pulley is typically constructed from durable materials such as metal or high-grade plastic, designed to withstand the high temperatures and stresses present in an engine environment. The pulley is mounted on a pivot arm, allowing it to move as the belt tension changes. Most modern tensioners are equipped with a spring mechanism that automatically adjusts the tension on the belt, providing a consistent and precise amount of tension regardless of engine speed or load.


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