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Originally Posted by Moneypit SEL
How are you determining that the fan clutch 'does not seem to function'? It's been my experience that when the original problem stays the same after exchanging a part, then the problem lies in a different area.
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Here is my post today from over in diesel discussion:Today I installed the new replacement BEHR fan clutch. No difference in function between the last April's new replacement BEHR fan clutch and this one.
Either I have received yet another defective fan clutch, or temperatures are not getting high enough to engage. Brian Carlton says over 100c and it should begin to engage, or be engaged.
With the A/C on, in drive, I've been able to get it hot enough in order for the aux fan to kick in, 105c, then disconnected the power supply to the aux fan in order to raise the temp even higher, still no action from the fan clutch. In fact, at this elevated temperature, engine running, I can actually stop the fan and clutch with my fingers and hold the fan still.
What is wrong here?
I've spent now $345 for two seemingly defective fan clutches! I'd love for someone to tell me there is for sure something wrong with both fan clutches, but I'm not fully sure!