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What is the purpose for dual radiator fans in a Dodge Grand Caravan?

Dual radiator fans in a Dodge Grand Caravan (and most other vehicles with them) serve to improve cooling efficiency and reliability. Here's a breakdown:

* Increased Cooling Capacity: Two fans provide significantly more airflow than a single fan of the same size. This is crucial for quickly dissipating heat from the radiator, especially during stop-and-go driving or in hot weather where the engine is under higher thermal stress.

* Redundancy: If one fan fails, the other can still provide sufficient cooling to prevent overheating, although performance might be slightly reduced. This redundancy increases the vehicle's reliability and reduces the risk of a catastrophic engine failure due to overheating.

* Improved Low-Speed Cooling: At low speeds, a single fan might struggle to move enough air. Two fans, even running at a lower speed each, can provide adequate cooling in these situations.

In short, dual radiator fans offer a safety margin and better performance compared to a single fan, ensuring the engine stays within its optimal operating temperature range under various driving conditions.