07navi
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Any rapidly spinning fan is very loud.
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Yes. And live in FloridaYou got the HD tow?
Probably one reason they went to them on later cars. My last 2 trucks didn't blow cold AC air until it was moving. The fan clutch helps but not enough.Another HD tow package 2017 EL here with super loud fans mainly when ambient temp is 90*F +. Mainly notice it while idling sitting still running Max A/C front and rear. I’m glad that it speeds up to warp speed while no air is moving across radiator, trans. cooler, A/C condenser, and inner cooler to prevent heat soak on everything. My wife has commented about it being loud ,but like I told her I’ll take loud over overheating any day. That’s one major plus electric fans have over mechanical fans, they can speed up well past the engine rpms when needed to keep the cooling system within its temp range.
It goes away with an upgraded 170 tstat
Yes but once it opens it's all rad so it makes no difference. Messing with t-stats is not a good idea in these computer controlled vehicles.Is that a lower temp that it opens at?
@07navi and @OGBobbyJohnson the 170 tstat works perfectly. Prior to install my coolant temps would spike to 225-230 during WOT pulls and driving in the heat. Installed a 170, which is programmed into my tuning device to open earlier, thus successfully knocking my WOT temps down to below 195. I have not seen above 195 in almost a year since install and that’s in 100+ degree weather also. In order for it to function properly you will need a custom tune. Just putting a 170 in on stock tune will do nothingYes but once it opens it's all rad so it makes no difference. Messing with t-stats is not a good idea in these computer controlled vehicles.
Agreed.@07navi and @OGBobbyJohnson the 170 tstat works perfectly. Prior to install my coolant temps would spike to 225-230 during WOT pulls and driving in the heat. Installed a 170, which is programmed into my tuning device to open earlier, thus successfully knocking my WOT temps down to below 195. I have not seen above 195 in almost a year since install and that’s in 100+ degree weather also. In order for it to function properly you will need a custom tune. Just putting a 170 in on stock tune will do nothing
Got my '15 XLT in March in Florida coming from a '16 Tundra.
Once I hit the summer months I noticed the fan started going into "jet take off" mode. I can hear the thing idling when I remote start it from a good 50+ yards away. It's insanely loud. I mentioned it to my Service advisor when I had it in for Service and she said it was normal.