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Originally Posted by RD TRCTR
Was any work recently completed? Like water pump recall resolution?
I would check the pins of both sides.
Using the AC should engage the fan. You can also use a good scanner to engage the fan.
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I didn’t do any recent work on the water pump and when I checked the vin it doesn’t show that recall open so I think it must have been completed before I got the truck.
I didn’t try to engage the fan with a scanner but I did monitor the fan RPM and clutch PWM % and the RPM did respond to the PMW increases. It didn’t spin crazy fast but it did respond. It’s been cold here, about 38 the other night and then 45 when I recorded the gauges, so I’m guessing that’s why it’s responding the way it is.
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2014 CCSB 2500 Laramie Longhorn
SOLD-2003 Quad Cab, 48re, Second Gen swap 64mm turbo, BMS injectors, Hamilton Cam, port and polished head, ARP studs
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