TRNW-2: Allison housing

[Donald Day]

Front wheels on ground and jack rear way up so trans is downward facing 


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On Thursday, December 18, 2025, 6:55 PM, Brett Karulak via trnw2 <trnw2 at trnw.net> wrote:

I have a 2007 4wd Duramax, the extension housing is cracked and leaking.  Can you replace this in the truck?  I think too much stuff will drop out and make it difficult to go back together.  I was under the assumption the housing has to be replaced with the unit out of the truck.  If anyone has ever done it in the truck, please let me know.
Thank you,Brett KarulakThis message was sent from the TRNW Technical Discussion Forum (trnw2). You were sent this message because you have subscribed to our mailing list. If you don't want to receive these emails from TRNW in the future, please unsubscribe here:
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