How do you replace a car fan clutch?

Replace the Fan Clutch There will be four to six 10mm bolts that will hold the actual clutch part of the fan to the fan blade itself. Remove these nuts and the clutch will come free from the blade. Once you have matched up the old fan clutch to the new unit reassemble it by installing and tightening the nuts in a cross pattern. 5.

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.

How big is the nut on a fan clutch?

1. Identify the Nut Size Each fan clutch will have its own mounting nut size which will range from 22mm to 36mm depending on the application and manufacturer. You can also use a large adjustable wrench if you do not have the proper tool. You may need to remove the fan shroud to get at the cooling fan. 2. Hold the Water Pump Pulley

Why do rear wheel drive cars have fan clutch?

A fan clutch is featured on rear wheel drive cars only because it connects to the water pump and faces the radiator while pulling air through the radiator’s cooling fins when the engine is operating.

What does a fan clutch do on a water pump?

A fan clutch is a temperature-controlled coupling between the water pump shaft and the fan which allows the fan to be operational at low speeds and disconnected at higher speeds.

How do you remove a fan from a water pump?

You may need to remove the fan shroud to get at the cooling fan. 2. Hold the Water Pump Pulley You must hold the water pump pulley in order to remove the fan clutch from the water pump. They make a special tool for this which you can get from Amazon for about $20.00 bucks or you can rent one for free from your local auto parts store.

How do you take clutch fan off?

Use a fan clutch removal tool (or a big screwdriver) to hold the waterpump pulley in place. Loosen the the fan clutch using a 32mm wrench. The threads are reverse rotation, so turn it CLOCKWISE to loosen. Once the fan clutch is loose, remove the wrench, spin the fan clutch the rest of the way off with your hand.

How do you remove the cooling fan?

With a screwdriver, loosen the fan blade and slide if off its shaft. You may need to remove a keeper that prevents the fan blades from moving up in the shaft up and down. As to the fan motor itself, remove it from the fan housing using a screwdriver.

How do you remove clutch?

Remove the clutch. If you have a clutch removal tool, you can use it to remove the clutch. Otherwise, you can strike a screwdriver with a hammer to loosen it. Remember that the clutch threads onto the saw using a reverse thread.

What is fan clutch tool?

A fan clutch pulley tool comes in handy whenever you want to remove the cooling fan and clutch from the front of an engine. This tool is designed to go around the nuts that hold the pulley to the water pump, holding it still while another wrench removes the fan clutch itself.

Do you have to take off radiator shroud to replace fan clutch?

If you’re lucky, there may be enough room to unbolt and remove the fan and clutch without taking off the radiator shroud. More likely, you’re going to have to remove the shroud. This means draining some coolant, disconnecting the upper radiator hose and sometimes removing the belt.

How is the operation of a fan clutch controlled?

The fan clutch operation is regulated by a valve that is opened and closed by a thermostatic spring. The valve controls the flow of a viscous silicone fluid between chambers in the clutch assembly.

How do you remove the clutch fan?

Loosen the the fan clutch using a 32mm wrench. The threads are reverse rotation, so turn it CLOCKWISE to loosen. Once the fan clutch is loose, remove the wrench, spin the fan clutch the rest of the way off with your hand. Once the fan is completely off carefully fish it out from between the engine and the radiator, it may take a little force.

How often does a clutch need replacing?

In general, a car clutch should last anywhere between 30,000 and 100,000 miles . However, depending on the above variables, clutches can last more or less mileage. If you are worried about the clutch and have noticed any of these signs you need to change your clutch, then take it to a mechanic for a second opinion.

What parts needed to replace clutch?

A clutch replacement generally involves a new cover assembly (including the pressure plate), clutch disc and release bearing (sometimes called the throw-out bearing). These parts should ALL be replaced, even if they don’t appear worn.

Does your clutch need replacing?

Most clutches are designed to last approximately 60,000 miles before they need to be replaced. Some may need replacing at 30,000 and others can keep going well over 100,000 miles, but this is fairly uncommon. Signs Your Clutch May Need Replacing If you experience any of the symptoms below your clutch may need replacing: