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Old October 22nd, 2006, 12:38 AM   #1
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Default 318 dakota w/4 speed tranny shift problem

i've got a 93 dakota 2wd with 4-speed auto behind a 318. it was given to me for free due to "shifting problems", found a trans line leak and topped it off, took it for a drive and it shifts fine through 3rd, doesn't seem to want to engage OD/4th. probably needs some shift linkage/tv adjustment, any other suggestions to look for? i only took it for a short drive, due to other reasons.
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Old October 22nd, 2006, 08:25 AM   #2
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it could be the gasket is blown out or the screws are loose for the "overdrive - lockup" solenoid pack where it meets the VB. causing it to loose pressure. That or the OD unit is burned up.
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Old October 22nd, 2006, 08:58 AM   #3
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common problem on those to have the OD burn up. Thats trans was never meant to be driven around town in overdrive but people did it anyway and burnt it up.
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Old October 22nd, 2006, 09:56 AM   #4
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if the trans was run low on fluid I would guess its burned up. the trans would have feed the other clutch packs first and if it didn't have enough fliud the OD pack probablly got smoked. I would suggest a fluid & filter change to see if you can reserect the OD pack.
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Old October 29th, 2006, 12:00 AM   #5
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fluid and filter pack changed, haven't adjusted it yet. as i understand, this trans is effectively a 727 with electronic overdrive and a weaker Torque Convertor, correct? so at the cost of some fuel economy, it can be driven without the od. by the way, it has 212k miles on it, the engine runs great (could use a tune up), and it's all stock. i haven't had a chance to drive it more, because my sister is using it for now (she needed a car fast). i'm going to be driving it more sunday afternoon probably, so i'll see how it goes.
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Old November 13th, 2006, 10:17 PM   #6
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tranny stopped working completly now...or at least as far as any form of driveability goes...coming out this weekend for an inspection, and hopefully a rebuild.
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Old December 9th, 2006, 07:28 AM   #7
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ok just read this for the first time if you havent rebuilt it yet stay out of the overdrive unit. it has an 800lb spring and will not be good without the right tools. ok you could change the clutches right at the front but dont take the snap ring out of the inner clutches. other than that its a pretty simple trans to rebuild doesnt really need special tools for the main case. they have a kit for 120 at www.northernautoparts.com that comes with all but the rear band. good luck
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Old February 7th, 2007, 03:02 PM   #8
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I know from experience that the Mopar trannies (stock) don't like anything else than Mopar Tranny fluid. I know it sounds strange, but stock trannies with any generic fluid (don't know about premium synthetic like AMSOIL) other than Mopar the trannies slip, try having it flushed and filled with Mopar, it actually stopped the slippage in more than a few trannies.
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Old February 7th, 2007, 10:35 PM   #9
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if its not working at all any more then it needs to be rebuilt or at least torn down to see whats the problem. you could flush it all day long and its not gonna make a difference at this point. At least you have a pain in the ass job of getting it outa the truck to look forward to. i would see if I could find a used rebuilt unit for a resonable price to swap into it. you could always rebuild the old one later for a spare or to sell. have you checked to see if any are availible?
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