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Slipping in OverDrive

640 Views 6 Replies 4 Participants Last post by  mbalius922, 
M
I have a ‘96 3500 dually. No performance parts besides air intake and intake manifold. And it only has 105k miles on it. And it seems like my transmission is slipping into overdrive. It shifts pretty normally before I hit overdrive, but sometimes it will rev up and abruptly shift into od. It’s a lot worse lately slipping about every time I hit overdrive. I don’t know if it’s electronics related. Or my tranny going out. I know when I got my trans fluid changed he said there were a lot of aluminum bits in the pan. So my trans is probably on its way out. But I expected it to last more than 100k. Just wanted some thoughts?
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M
Yeah, I replaced my tps sensor not too long ago. What I did was took it out and cleaned it a little and put it back in nice and tight. It was kind of loose when I took it off, not sure if that had to do with it. And it seems to have solved it for now. Just hoping my trans keeps holding up 😂 I wanna mildly build my trans eventually but I hope this one lasts me a while longer
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M
Yeah a lot of trans shops try and take advantage of us Cummins guys. They know we expect problems with our stock trans 😂 but it seems to have just been my tps sensor. No more problems since then.
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