How to install E-Fans

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livingez_123

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Bought the fans from rock auto, and they are the higher blade count OE ones for an 08 yukon.

which fans did you go with from Rock auto, they show 4 different ones.

Dorman has 7 blades on each fan.
The Four Seasons has 9 on the left fan and 7 on the right
 
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Captain_hi_c

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It is listed earlier in this same thread about post #60

I know mine are Dorman but IIRC the part # is 620653
 

TheAutumnWind

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It looks as if this thread has not been bumped in awhile. I have an 03 Yukon denali XL and I am interested in E-Fans. Is PCM tuning necessary to enable this to function as factory?

Other than that concern this appears to be a fairly straight forward upgrade.
 

01HDtahoeNJN

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I have a new doorman efan for sale if anyone needs one! Just bought a cts [emoji7][emoji5]️[emoji91]


-Garry (01HDtahoeNJN)
 

YukonXL04

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It looks as if this thread has not been bumped in awhile. I have an 03 Yukon denali XL and I am interested in E-Fans. Is PCM tuning necessary to enable this to function as factory?

Other than that concern this appears to be a fairly straight forward upgrade.

Yes, you must have means of turning on the pins in the computer.
 

DPGDirk

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Is someone running a higher output alternator or is everyone just running the OD pulley?
 

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