Originally Posted by whi3500mag
these pans rust out trust me i had my trans. rebuilt and couple days after getting home i noticed a little puddle under my truck took it back to trans shop and he told me every trans he had replaced he had to follow up with a new pan on these dodges only cost me 50 bucks more for new pan and trans refill
I've never replaced a pan due to rust. It seems very unlikely that they would rust out since they are painted inside an out from the factory to prevent rust. It's possible that someone used an abrasive that removed the paint and allowed the rust to form.