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2026. 7. 1. 작업
Most cars these days have a cooling fan that only runs when needed.The advantages in fuel economy ,warmup time ,pollution,HP are well documented elsewhere.The popular methods are the electric fan and the viscous coupled fan.The basic idea is that the fan runs when the engine is hot and does not when the engine is cold .If the car is running at speed the airflow through the radiator grill increases .At a certain road speed the flow may be enough to cool the engine anyway .What would this speed be ? Would it be worth it to shut down the fan at high road speeds?
Since the fan is thermostatically controlled, it will automatically shut off when the natural air flow through the radiator is sufficient to keep the engine cool. The speed at which this occurs will vary based on the car and weather on a given day. Never heard of anyone disabling the fan. I have heard of people partially blocking the radiator opening in sub-freezing weather to prevent over-cooling the engine.
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2003 Hyundai Santa Fe will start then die. Then it will not start. After pumping the accelerator or holding on the floor and returning later it will start. Nothing codes out. This happens probably 15% of the time. Any ideas?
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A friend has an older Miata that was improperly stored for at least three years. Most of the time, it was not garaged. The gas is old, the battery is dead, it has not been started. It was probably parked without an oil change. He is looking to do the minimum to get this sellable, so the primary concern is the initial startup and the brakes. What would be recommended , especially regarding that first engine startup?
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I am planning to start using seafoam in my gas and oil ,how often should you a add it an how much.The label isn’t to clear about it.
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I’ve asked a few mechanics and DIYers this question and so far no consensus. Let’s say you’re 1000 miles away from next SCHEDULED oil change, and you’re about to leave on a 2000 mile road trip. Would you choose to change your oil 1000 miles early before the trip, or 1000 miles late after the trip?