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overdrive75's avatar
overdrive75
Explorer
May 10, 2020

Rear Axle Fluid Change Differential Cover with drain plug.

So here is the scoop, our 2003 Winnebago 29B is built on a 2003 Ford E-450 chassis. I am doing my annual maintaince, and decided this year is the year to fix my rear end seepage from between the diff...
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overdrive75's avatar
overdrive75
Explorer
May 14, 2020
pauldub wrote:
Make sure it's the right cover. The '03 E-450 has a D70-HD diff and I think the cover is different than a D70 cover.


I have done lots of homework on this. A Dana 70-HD is the same axle housing and tubes as a Dana 80. The difference is the size of the Ring gear. The Ring gear is slightly smaller on the 70-HD.

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