Do you think the structural integrity of the housing is compromised? If so, buy a used rear end. No patch is going to hold the stress applied to existing unit.
To keep from having it happen again, don't drive on roads that have been salted <img src="/forums/images/graemlins/ignore.gif" alt="" />
It sounds like you should get a different one by your description.
Photos would help.
Everet <img src="/forums/images/graemlins/patriot.gif" alt="" /> <img src="/forums/images/graemlins/kewl.gif" alt="" />

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