I've ran two Duralast fan clutchs in my car (pt. number 922783), and I've had the same problem with both.
It's my understanding that once the radiator reaches 160-170 degrees the fan clutch should engage and spin the fan faster, right? And once it cools off again it is supposed to disengage the clutch again and let the fan spin slower? I've seen different behavior out of my car.
The fan clutch remains disengaged until the radiator reaches ~120 degrees (doesnt take long in the summer...). Once that temperature is hit, the fan clutch engages. It will remain engaged for the rest of the time the car is running. I can drive the car down the highway at 70-80mph on a cool day for hours and have the fan clutch never disengage.
Then I shut the car off, and let it cool down, and the cycle starts over. That is the only time it will disengage.
With the car off, I can turn the fan by hand, and it has the amount of resistance I would expect it to have. It just seems to me the spring makes the clutch engage at a temperature that is too low. (And because of that, it is never able to drop the temperature back below the threshold?)
Has anyone had similar issues with a fan clutch, or with a duralast fan clutch? Any ideas for a solution? Maybe even one that doesnt force me to give up my lifetime warranty with autozone?
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