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I think the reason that the 4A transfercases shift out of 4WD...is because they are not in 4WD. AWD directs power to the rear "unless" it loses a gob of grip...by second gear the 4A is just pushing the rear wheels most likely.Put it in 4A and it most likely has moved all power to the rear wheels after the second gear shift.
I think the reason that the 4A transfercases shift out of 4WD...is because they are not in 4WD. AWD directs power to the rear "unless" it loses a gob of grip...by second gear the 4A is just pushing the rear wheels most likely.Put it in 4A and it most likely has moved all power to the rear wheels after the second gear shift.
Just a theory...
I had to look at a transfer case on a full time AWD Expedition once. If memory serves it had clutch packs to engage 4wd. Maybe the auto 4wd is doing the same thing?
For this to work you have to have one of the "11 or "12 models with the AWD feature, so a Lariat, Platinum, or Limited(not sure about the KR). You can start out in either AWD or 4hi and switch back to 2wd just after it shifts to 2nd gear. You can hear it switch out(kind of a thud). But if you just have the regular 4wd it doesn't seem to work according to all the info we've gathered. The newer models it doesn't work on.
Nuff said. My truck won't do it. That's the most relevant thing anyone has said on the topic. Thank you.
12.939 @103.26 Stevenmverrill 11 scab,3.31,3.5L,265/65/17 Michelin all terrain on steelies from an 04,LET E30 tune (rev:1), AEM water/meth, home made turbo back exhaust, 170 tstat.
10-21-2014, 09:27 PM
