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Discussion Starter · #1 ·
Has anyone heard of or had a transmission develop cracks in the casing? Its a 2014 cruze diesel so it has the aisin af40-6 auto transmission. Bought new and never wrecked. Discovered the following while looking for oil leak. There are others that dont showup in photos. 2 are near bolt holes.
 

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Discussion Starter · #3 ·
Man I hope your right. To me these seemed different than the casting spider cracks. Here is a pic where it seems a chunk came out. So far I have only found one article about cracks on this transmission. Oddly it supposedly happened while being serviced at dealer. Guess they must have dropped it? It had been professionly welded in several places. Customer was only told transmission was repaired. When questioned they said they took it to someone that could weld alluminum. Im guessing that also means it had to be disasembled?
 

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Discussion Starter · #4 ·
Oh forgot to say: I was planning to someday take to dealer to look at while still under warranty. Still would like to know if anyone else has had or what they recommended.
 

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Discussion Starter · #8 ·
Yep and thats after i cleaned it. Still camt tell where it came from and i even put in die and used the yellow glasses. Wanted to make sure wasnt a hose or something. I suspect its coming from valve cover gasket or cam seal. Sure glad cracks are normal! Love my car even with all the emmision concerns. Plan to keep it long term.
 
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