I have had three Expeditions (98,04, and my current 08). So I am used to the 2H, 4A, 4H and 4L set up. But the new Expeditions (for the first time) now have single range rather than high-low range transfer cases. So now you have just 2H (2wd) and 4A (4 auto) settings unless you elect either the FX4 off road package or the Heavy duty trailer tow package, in which case you get a two speed transfer case adding a 4L setting and, in addition, a 3.73 electric limited slip differential. There is no longer a 4H setting regardless of how the Expedition is configured.
So I have a couple of questions to hopefully some that have used their new 2018's in the snow or off road. In the past I have used 4A for normal road use when road conditions are questionable, as they often are in Michigan. If the snow is heavy or I am on one of our trail roads at deer camp I have used the 4H setting. I admit to essentially never using 4L.
First question: Is the loss of the 4H mode significant, or do the new terrain settings adequately substitute? Second question: For those that have either of the two packages mentioned above, does the limited slip differential really do anything that the old system failed to do? And does the lower axle set up (3.73 vs 3.3) significantly impact vehicle gas milage. If so, by how much? I believe that the F150's continue to use a two speed set up essentially the same as in previous Expeditions, which makes me wonder if the set up in the new Expedition is as "robust" as that used previously.
Eventually I would hope to place an order. However, I have attempted to get technical answers to these questions from Ford, but no one has been able to answer or get me connected to anyone with the appropriate knowledge base, which is incidentally, very frustrating for long time Ford customer. Any help would be kindly appreciated.
So I have a couple of questions to hopefully some that have used their new 2018's in the snow or off road. In the past I have used 4A for normal road use when road conditions are questionable, as they often are in Michigan. If the snow is heavy or I am on one of our trail roads at deer camp I have used the 4H setting. I admit to essentially never using 4L.
First question: Is the loss of the 4H mode significant, or do the new terrain settings adequately substitute? Second question: For those that have either of the two packages mentioned above, does the limited slip differential really do anything that the old system failed to do? And does the lower axle set up (3.73 vs 3.3) significantly impact vehicle gas milage. If so, by how much? I believe that the F150's continue to use a two speed set up essentially the same as in previous Expeditions, which makes me wonder if the set up in the new Expedition is as "robust" as that used previously.
Eventually I would hope to place an order. However, I have attempted to get technical answers to these questions from Ford, but no one has been able to answer or get me connected to anyone with the appropriate knowledge base, which is incidentally, very frustrating for long time Ford customer. Any help would be kindly appreciated.