Why are there different types of fan clutches?
Answer: Each fan clutch type is designed to simulate the performance of the original equipment clutch that it replaces. All fan clutches are for specific applications and should be applied only on the vehicle for which they are cataloged.
What causes oil to come out of a fan clutch?
Run your finger along the edges of the bearing seal on the backside of the fan clutch. If it comes away with a heavy coating of oil, the culprit is either a crack or a faulty seal. Radial streaks are another potential clue—this happens when oil escapes from the clutch and is then blown outward in all directions by the fan.
Why does my car make a fan clutch noise?
From fan clutch roaring to fan clutch noise, there are many signs you should be on the lookout for in this case. The clutch, though small, plays a vital role in the functioning of your car. It gauges the temperature of the air coming into contact with the radiator and protects the engine.
What’s the best temperature to test a fan clutch?
Make sure your new fan clutch is the same type as the original. It’s possible to upgrade from a non-thermal clutch to a more efficient thermal model, but not the other way around. Keep your engine temperature below 210 °F (99 °C) while you’re running your tests to prevent it from overheating.
What are the symptoms of a bad or failing fan clutch?
As the fan clutch is a cooling system component, any issues with it can cause overheating and other issues. Usually a bad or failing fan clutch will produce a few symptoms that can alert the driver of a potential issue.
Can a fan clutch spin freely when cold?
There have been cases where fan clutches spin freely when cold, and when this happens, you have a problem in your hands. Note that there are two kinds of clutches. One operates through thermal variations, such as the one described above. The engagement and disengagement of the same will depend on how fast you drive.
What is an electric fan clutch?
The fan clutch is a cooling system component that controls the operation of the engine cooling fans. While many newer vehicles now use electric cooling fans to keep the engine cool, many older vehicles used a mechanical fan clutch to control the fans.
How does the oil work in a fan clutch?
The latter fills with oil and has a valve that controls the flow of oil between two compartments. One acts as a holding area while the other directs to the clutch. As the valve opens, the oil enters the clutch, and this leads to the fast movement of the fan.
