What makes a fan spin with a cluthc?

With a fan cluthc your fan will rotate constantly regardless. The clutch engages and locks the blade to it so that it spins faster than normal the hotter that it gets. The only time that your fan will not spin is when the motor is off. It is a common misconception that the fan will only spin when the clutch engages. Click to expand…

What does it mean when the fan clutch won’t disengage?

If the Fan clutch is seized or the valve is stuck open, the truck would give a code, if the PCM is telling it to go full speed (and no fan circuit codes) then a input to the PCM (EOT…etc) is telling it and if they are faulty they would produce a code.

Is there a quick fix for a fan clutch?

This video shows how to quick fix a fan clutch. It is a temp fix only, and the fan clutch should be replaced when possible, but this trick will get you around for a while. The fan will now turn with the engine all the time. I hope you enjoy it. Please subscribe and click under the video on my name for all my other how-to videos.

Can a fan clutch be replaced in a Cummins Engine?

It is a temp fix only, and the fan clutch should be replaced when possible, but this trick will get you around for a while. The fan will now turn with the engine all the time. I hope you enjoy it. Please subscribe and click under the video on my name for all my other how-to videos.

Why did I need to replace the clutch on my truck?

All I know is that, before the fan clutch was replaced, the truck never overheated with the plow off, with the plow on it would get hot at highway speeds and I would have to come to a stop in order for the fan to really kick in!

Is there a time when the fan does not spin?

The only time that your fan will not spin is when the motor is off. It is a common misconception that the fan will only spin when the clutch engages. With a fan cluthc your fan will rotate constantly regardless. The clutch engages and locks the blade to it so that it spins faster than normal the hotter that it gets.

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.

How does a water pump fan clutch work?

The fan clutch is a thermostatic device, which means it operates based off temperature, and is usually mounted on the water pump, or another belt driven pulley. The fan clutch will spin loosely until the temperature reaches a certain level, at which point the fan clutch will fully engage…

Is it good to have a HD clutch?

A HD clutch is a positive in the case of plowing. You are also cooling your transmission and that will help extend it’s life. One thing to keep in mind is that if you are hearing it run fully engaged when you first start the truck, this is normal.

What should I do if my fan clutch is leaking?

Give the water pump hose a quick jostle as well to see if the problem might lie there. Spot-check for oil leaks. 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.

Why does my fan spin faster when the motor is off?

The clutch engages and locks the blade to it so that it spins faster than normal the hotter that it gets. The only time that your fan will not spin is when the motor is off. It is a common misconception that the fan will only spin when the clutch engages.

What should I do if my fan clutch is going bad?

Silicone fluid leaking from the fan clutch would cause this problem. When the engine is off, there are a few things you can do to check the fan clutch: Spin the fan. Electronic types might freewheel, but most fan clutches should spin with a little effort.

Why does my car fan spin when the engine is off?

Fan spins after engine shut-down might indicate a weak clutch. Silicone fluid leaking from the fan clutch would cause this problem. When the engine is off, there are a few things you can do to check the fan clutch: Spin the fan. Electronic types might freewheel, but most fan clutches should spin with a little effort.

How does a mechanical fan clutch work on a car?

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. The fan clutch is a thermostatic device, which means it operates based off temperature, and is usually mounted on the water pump, or another belt driven pulley.

How does a torque limiting fan clutch work?

A torque-limiting fan clutch reacts to engine speed. A centrifugal valve opens to allow the flow of heavy silicone fluid, locking the fan blades to the pulley. At idle and low engine speeds, this fan clutch is fully engaged, gradually disengaging as engine speed increases.

What makes a fan spin with a cluthc?