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Your cart is empty.Product Description
Vehicle Suitability
For Dodge Ram 1500/2500 Pickup 2009-2010
For Dodge Ram 3500 Pickup 2009
For Dodge Ram 4000 2009-2010
For Ram 1500 2011-2022
For Ram 1500 Classic 2019-2022
For Ram 2500 2011-2019
For Ram 3500 2011-2018
For Ram 4000 2011-2020
How to Detect a Faulty Fan Clutch?
- Fan spins excessively when engine is stopped.
- Poor A/C performance at idle or low vehicle speeds.
- Fan speed does not increase when engine is hot.
- Fan speed does not increase until engine is excessively hot.
- Fan blade tip moves more than 1/4” front to back.
- Fan turns roughly or does not turn at all.
- Excessive fan noise at all speeds due to failed bearing.
- Vibration that increases with engine speed.
What is a Fan Clutch?
A fan clutch is a thermostatic engine cooling fan that can freewheel at low temperatures when cooling is not needed, allowing the engine to warm up faster, relieving unnecessary load on the engine. As temperatures increase, the clutch engages so that the fan is driven by engine power and moves air to cool the engine.
Most fan clutches are viscous or "fluid" couplings, combined with a bi-metallic sensory system similar to that in a thermostat. Some clutches are electronically controlled (instead of bi-metallic strip). These provide the potential to control the level of engagement depending on any number of inputs. Common controlling factors might include engine oil temperature, transmission oil temperature, coolant temperature, AC system pressures and ambient air temperature.
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