Dodge Diesel Fan Clutch Problems

This video demonstrates the typical characteristics of a bad fan clutch.

Dodge diesel fan clutch problems.

Excess fan noise at high speed is caused by the same problem a seized fan clutch. The fan clutch is responsible for controlling the operation of the cooling fans. The two most common causes for this problem especially after a dodge clutch replacement is insufficient travel on the throw out bearing or a defective pressure plate. Replacing your fan clutch can improve your a c system and keep the engine cooler.

If you are not hearing it speed up when the ac compressor kicks on it is a pretty good bet the clutch is bad. If your dodge cummins radiator fan can stop while the engine is running it s likely the fan clutch has failed. Silicone fluid leaking from the fan clutch would cause this problem. One of the first symptoms that is commonly associated with a bad or failing fan clutch is an overheating engine.

Dodge diesels are fitted with an electronic viscous fan clutch which is electrically activated by the ecu when the engine temperature reaches high temperature or the air conditioning head pressure reaches 240 to 270 lbs. Fan spins after engine shut down might indicate a weak clutch. Lock up on the fan clutch is controlled by the computer. The air conditioning head pressure is reported to the ecu by a transducer located in the discharge line and will cause the fan clutch to engage almost every time the truck idles for a few minutes in warm weather.

Fan and fan clutch. Usually a bad or failing fan clutch will produce a few symptoms that can alert the driver of a potential issue. A bad fan clutch may not engage properly or at all and as a result will disable the fans or prevent them from working at maximum efficiency. Check the electrical cables that run from the motor to the fan clutch.

Replace it with an oem clutch fan from mopar. If the cables are cut splice them back together and secure them away from the fan. The first time that the compressor was replaced the system was flushed including chemicals. Another common problem with the new cummins motor is that the electrical cable can be cut while the fan is engaged.

Test the air conditioning to make sure the fan clutch will engage.