12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

47re question

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  #1  
Old 08-12-2012, 06:54 PM
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Yesterday my trans heated up to 220. And acted up and wouldnt shift down to 1st when i came to a stop . It kept pulling out in 2 unless i manual put it first. Now when it cooled down it was fine again. Anyone have any input or had that happen? The fluid dont smell burnt either i drained it today.
 
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Old 08-12-2012, 07:16 PM
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were you pullin, can be that your tranny cooler is plugged? were you driving slow? and shovin the pedle to the floor?
 
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Old 08-12-2012, 08:48 PM
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flush the cooler
and replace the governor and pressure solenoid
 
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Old 08-13-2012, 04:00 PM
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I was idling down a mountain literally no yhrottle the trans was shifting up till i slow down enough then down shifted then went around the turn n speef up again. At the bottom i sae it was at 220 it never has done that. But starting in second can that damage clutches? And i drove it all day yesterday n today never went over 160 while towing n shifted beautifully. I think it was that hill?

---AutoMerged DoublePost---

Im getting a trans cooler w fan now. Its 3/8 line will that help any or does it matter. Im running 5/16 line now?
 

Last edited by cummins3500; 08-13-2012 at 04:00 PM. Reason: Automerged Doublepost
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Old 08-13-2012, 04:23 PM
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factory dodge lines are dual lined. over time the inner layer can start to sluff off and cause an abstruction in the line inhibiting the flow of fluid to or from the cooler. look for small leaks around the fittings of the factory lines. this is normally a indicator that pressure is building up. and this will FRY a trans!
 
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Old 08-13-2012, 06:22 PM
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I have rubber line i did awayvw the factory metal line
 
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