For those who have upgraded to the 700w radiator fans, where are you buying them? Are you buying both or just the driver side? I have heard that if you run both, the electrical system has a hard time keeping up unless you upgrade that. Does it matter how many blades the fan is? I have a 2013 yukon xl denali and tow up north occasionally and see temps start to creep up on some hills. Not trying to drop too much money into it as I know some have done aftermarket radiators, fans and multiple set ups with trans coolers. Seems like anything over 3k RPM on the hills is when it starts to heat up. Was also thinking of installing 160 degree thermostat. I know they don't do much from a performance stand point but having it open at 160 vs 190 may delay the temps from creeping up a bit, or am I delusional in my thinking?
KL5 700 Watt Fan Conversion - 1 or both?
- Thread starter Letcher77
- Start date
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I bought my K5L 700w fan motor and blade for my 2012 Yukon XL Denali from Amazon. I only replaced the driver's side, and that did the trick for towing for me. I was seeing slightly elevated coolant temps even with having a cold case 2-row radiator last summer, but once I installed this motor and blade, no more issues.
Amazon.com: GM Genuine 20903474 Engine Cooling Fan Motor Kit : Automotive
Buy GM Genuine 20903474 Engine Cooling Fan Motor Kit: Radiator Fan Motors - Amazon.com ✓ FREE DELIVERY possible on eligible purchases
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Amazon.com: GM Genuine 20897351 Engine Cooling Fan Blade Kit : Automotive
Buy GM Genuine 20897351 Engine Cooling Fan Blade Kit: Fans - Amazon.com ✓ FREE DELIVERY possible on eligible purchases
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Did those fit in your factory shroud?
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Yes, they did.
gooffeyguy
Tom
Is that fan a 5 blade, with the connecting ring or without?
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5 blades, no connecting ring. The fans in my 2007 have the connecting ring so somewhere between 2007 and 2012, they changed the design. Here's a pic of the K5L fan I installed.
gooffeyguy
Tom
My 2012 has no ring either. When looking up that part number online the diagrams show it both with and without the ring, so wasn't sure.
swathdiver
Full Access Member
This has been a work in progress and am trying to complete the associations, which motors go to which blades, etc. Doing this for both the wagons and the pickups.
gooffeyguy
Tom
So there has been no 700w 5 blade RIMLESS design?
