JeepNewsNow has an exclusive interview with the Chief Engineer of the 2007 Jeep Wrangler, Jim Issner. The best part is that his is not some fru fru type of interview, but rather Mike asks the hard questions, like why the most hated axel in Jeep history is still on the 2007 Jeep Wrangler. The basic answer to that question is that they reengineered it a little, and should call it something else. We’ll see, won’t we.
6. I didn’t want to paraphrase this next question, it comes from one of our readers with the nickname, ‘disturbed’: “The number 1 question I have is WHY OH WHY DID YOU GUYS STICK A D35 UNDER THIS THING? This is THE most hated Jeep/Dana axle assembly ever produced and to continue to use it under the entirely new JK platform (even with upgrades) is mind-boggling. The D44 or AAM equivalent should have been used across the board for all JKs.”
The Dana 30 front axles have a high pinion design (TJ was a low pinion design) to provide greater gear strength, the housing is stiffer and stronger, and the pinion bearings are larger for improved durability.The Dana 35 rear axle also has a larger pinion and unitized wheel bearings. The prior design had an on-shaft bearing. The axle shafts have also increased in cross section for improved strength. Overall, the axles have been improved over its predecessor. In fact, we are considering different names for the axles since they are virtually all new.
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