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Discussion Starter · #1 ·
I recently replaced the fan clutch in my wife's truck with the Hayden clutch that I also have in my truck with no issues thus far.

It worked perfectly for the first 2 weeks and allowed me to properly recharge my AC System. But then it started engaging when it normally wouldn't. For instance 190F coolant and AC not turned on. I scanned for codes and pulled
P0113
P2609
I had a spare IAT sensor and installed it, cleared the code and it hasn't come back.
The other one has not either. The P2609 code was on because the previous owner installed the GDP grid heater relocate with a 6.7 intake plenum. I rewired it all properly.

My question is do you think this new clutch has already failed? Certain wires to check? Any time they have failed before they just don't engage anymore and the AC stops working.
 

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What kind of scanner do you use? I believe the more advanced units can enable you override the fan settings and force the ecm to lock up the fan. If it moves a lot of air with rpm it's probably not the new fan clutch.
 

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Discussion Starter · #3 ·
What kind of scanner do you use? I believe the more advanced units can enable you override the fan settings and force the ecm to lock up the fan. If it moves a lot of air with rpm it's probably not the new fan clutch.
Alfaobd
 

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I recently installed a Hayden clutch in the 04, and it will stay locked for a substantial amount of time even after the ECM stops feeding power.

Not optimal, but it’s certainly better that the fan is slow to unlock rather than slow to lock.
 
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Sounds like it has failed, should be able to warranty it out for another one...

You could swap them from truck to truck just to eliminate the truck side of it.
 

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Discussion Starter · #6 ·
Sounds like it has failed, should be able to warranty it out for another one...

You could swap them from truck to truck just to eliminate the truck side of it.
That's what I was thinking. It is very handy having two identical trucks.
 
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