When to replace clutch fan in Chevy Silverado?

If your truck’s engine is running hotter than normal, the A/C fails to pump out cold air on idle, and there is leaking silicone fluid around the engine, chances are the clutch fan is busted. Fortunately, this is a component you can replace yourself.

When to replace the clutch on a Chevy Silverado?

Fan clutch for the Chevy Silverado. Signs that your clutch fan is in need of replacing are pretty straightforward: if you can hear excessive fan noise, the engine is running excessively hot, the A/C is no longer pumping out cold air on a regular basis, and you can feel a slight vibration coming from the front end.

How do you remove a fan from a Chevy Silverado?

Attach a large adjustable wrench to the nut holding the fan to the water pump pulley. Rotate the nut counterclockwise to loosen and remove the fan. If the fan is on too tight, you can use a hammer to knock the wrench and force the nut loose. Remove the fan by rotating the blades counterclockwise until the fan can be pulled off of the pulley.

How do you remove a fan clutch from a water pump?

Once the new part has been installed gently slip the fan clutch down in front of the water pump using caution as to not contact the radiator or damage the plastic fan blade. The threads on the water pump flange are large and can be cross threaded easily so we advise you to start the fan nut by hand before taking a wrench to it.

How does the radiator work on a Chevy Silverado?

This article applies to the Chevrolet Silverado GMT800 (1999-2006). The radiator in your truck not only picks up heat from the engine to cool it down, but (as the car is moving) ambient air is also flowing through the radiator, which allows air to directly dissipate heat produced by the engine.

When do you know you have a bad fan clutch?

Reach in and spin the fan blade by hand. If it continues to spin freely for more than five turns with no signs of drag, you have a bad fan clutch. Start the engine and look down at the fan. The fan should be still or barely revolving until the engine warms up. When the fan begins to turn at engine speed, move to Step 4.

How does a fan clutch work on an engine?

by Allen Moore. A fan clutch is the assembly that your engine cooling fan rides on and that tells the fan when to turn on and off. A central core, which locks and unlocks based on the temperature, allows the fan to spin with the engine crankshaft or freewheel on its own.

What is the purpose of a fan clutch?

What causes the fan clutch to engage?

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.

How does a fan clutch work?

The fan clutch is basically the part of your vehicle’s cooling system that powers up the fan blades. It has a sensor that detects temperature around the engine and if it becomes too hot, the clutch engages the fan in motion to produce air that cools down the heat.

Is a fan clutch better?

Clutch fans are great because after 45 miles per hour the incomming air is faster than the speed of the fan. So the clutch allows the fan to move faster that the water pump drive. Direct drive will actually put a load on the engine after 45, so the clutch was born. Electrics are higher RPM and thus no problem until about 110.

Is there a tool to remove a fan clutch?

Only 7 left in stock – order soon. ALPHA MOTO 2 Piece Fan Clutch Wrench Set – Nut Water Hub Removal Remove Removing Holding Holder Clutch Tool Compatible With BMW GM 318i 323i 323is 325 325ci 325e 325i 325is 328i 328is 330ci 330i 330xi .

What does the fan clutch do on a Chevy Avalanche?

Your Chevy Avalanche 1500’s cooling fan clutch is an integral piece of the cooling system. Your truck’s cooling fan clutch engages or disengages the cooling fan based on the engine’s temperature to make sure your truck is running cool.

What causes a car fan clutch to go bad?

Insufficient heat in winter is another common problem but caused by the opposite fan clutch failure. If the fan clutch seizes, it remains engaged all the time, cooling off the engine too much. Excess fan noise at high speed is caused by the same problem, a seized fan clutch.

When do I change the clutch on my fan?

Click to expand… mine does too. but i never had mine replaced. i ignore it. 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.

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.

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.

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…

When to replace clutch fan in Chevy Silverado?