Expedition AWD 4H drive problems

2 messages, Last post on Aug 18, 2009 at 4:16 AM

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#1 of 2 AWD-4H drive problems by gilorado Aug 17, 2009 (7:48 pm)
recently while turning in 4H drive mode in my 2004 Ford Expedition 5.4L,. I noticed it was having problems going around a corner. Turning back to 2H resolved the issue. However when I turn the switch back to either AWD or 4H and turn a corner the rear wheels seem to be operating independantly or the wheels have a hard time moving around the corner, 1 wheel moves and the other doesn't... What could be the issue? Do you think transmission, transfer case? Ideas?
#2 of 2 AWD / 4H by alwaysfords2 Aug 18, 2009 (4:16 am)
Was it on dry pavement? The wheels do have to spin at different speeds in a corner, the inside wheels turn less, which is what the differentials do.