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Sorry If this topic has been addressed elsewhere but I have been unable to locate anything relevant. Here goes. I have a 2006 Dodge truck with 5.9L diesel and 48re auto trans. All stock no chips- no previous mods -very little towing (one hand times to haul cattle). At 93000+ I got the dreaded cracked overdrive housing ( discovered in short order due to fluid loss). Replaced the overdrive with a rebuilt one from a reputable parts vendor and during this operation did the suggested 48re survival update (sonnax parts) recommended on this site. Yes I was lurking and learning. Also adjusted band to factory specs. Trans show marked improvement in the shifting department but the overdrive does not appear to be working, so my engine rpms are in the upper range. Could any one offer any suggestion on where to begin addressing this issue.