6.7 Cummins Fan Clutch Switch

The basic operation of this fan clutch is to help settle down the engine once there’s excessive load on the engine. Most of the time it won’t be engaged if your engine temperature is among the pre-determined limits. So, How To Fix 6.7 Cummins Fan Clutch Switch?

Similarly, the fan can disengage once the engine of your vehicle cools down a bit. However, if you reside in a hot region then having a functioning fan clutch can improve the efficiency of your engine. A lot of people have recently been complaining regarding the fan clutch not engaged on their 6.7 Cummins Fan Clutch Switch. If you’re stuck within the same error then here is what you should do.

How To Fix 6.7 Cummins Fan Clutch Switch

How To Fix 6.7 Cummins Fan Clutch Switch?

Check Temperature Device

As mentioned, the fan clutch is engaged once the engine heats on the far side of the specified limit. The fan won’t begin spinning unless the temperature device records high engine temperature. So, if you’re having a hassle with obtaining the fan clutch to interact then it’s probable that the temperature device isn’t working properly.

Even though there are other reasons why you would possibly run into this problem. you should continually begin by checking the temperature sensors. They’re not that valuable and you’ll be able to replace them simply.

If you can’t notice the temperature sensor yourself then request facilitation from an experienced friend or take the vehicle to a workshop. when putting in the new temperature device, your fan clutch should begin operating once more.

Fix Broken Wires

After the fan receives signals from the sensor, it depends on the power from the engine to spin. However, it’s not rare for the wires connected to the fan clutch to get broken. You will need to access the fan clutch to inspect the wires connected to that. it would be somewhat tough to access the wires while not correct tools.

So, you’ll either have to rent some tools or take the vehicle to a workshop or raise a mechanic to require a look at your fan clutch. It won’t value you that abundant to replace the broken wires and your fan clutch can begin operating once more as long as it is obtaining signals from the temperature sensor and therefore the circuit.

Check Motor

If you’ve got had the fan clutch for a long time then it’s probable that the motor has gone bad. If that’s the case then you’ll have to replace the whole fan clutch to mend this problem. Even if your wires and sensors are operating properly, the fan clutch won’t work if the motor has gone unhealthy. You can’t fix the fan motor reception and it’s additional time-efficient to buy a friend clutch replacement and install it in your engine.


So, if you have any 6.7 Cummins Fan Clutch Switch problems, you can fix them with the ideas that are mentioned above. If you’ve got ne’er done this before then you ought to simply call a mechanic. He can purpose you in the right direction and you won’t have to be compelled to waste your time guessing specifically what’s wrong along with your fan clutch. A mechanic can be an expensive various but at a minimum, you won’t have to waste many hours fixing the fan clutch yourself.

Frequently Asked Questions

Can you bypass a fan clutch?

There is no wiring attending to the fan clutch. The sole way to keep it engaged is to interchange the fan with a non-clutch fan. Therewith said, your fan can be in would like of replacement.

How do I know if my clutch fan is engaging?

You should be ready to audibly notice once the fan clutch engages, with an accompanying rush of air. At idle, as engine temperature increases, a thermal fan clutch can engage at an exact temperature. Torque-limiting fan clutches can disengage at an exact engine speed.

Why is my fan clutch not working?

If your fan clutch isn’t operative the manner it ought to, it’s likely due to a fluid leak or a foul thermostatic spring or valve. Once a leak happens, it’s at the bearing seal, at the middle rear of the clutch.

How does one lock a Horton fan clutch?

Align the 2 bolt-holes within the front section of the fan clutch with the 2 tapped holes settled within the pulley sheave. Install the 2 Grade-8 5/16 Whitworth socket head cap screws. Tighten screws very firm, clamping of the clutch, not the screws provides the turning force.

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