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2005 2500 diesel binds when in passing gear

I have a small shop. Ive rebuild a lot ad 46& 47 re. This 2005 48 was just rebuilt with shift kit and all the good stuff. But it binds when u use passing gear. Something holding it back on power. Motor has been checked out and turbo. But u can feel trans is binding. What did I

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@moparlester we know it's not a Samsung Android Phone, but what is it?


Hi @oldturkey03 , @lpfaff1

I think this is what he means but I have no knowledge of transmission systems

46 RE Dodge Ram Cummins Diesel transmissions

47RE Dodge Ram Cummins Diesel, transmissions

48RE Dodge Ram Cummins Diesel transmissions


@jayeff, I know what Lester is saying, but I have little knowledge of this type, he said he put a shift kit in it, I remember a friend building his diesel tranny, forgot to follow all the instructions that came with his shift kit and left a ball or 2 in the valve body that he should not of and it acted something like that. Good luck Lester.


@moparlester, Lester, was it something as simple as you did not adj. the bands when you built the tranny? Let us know.


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Lester @moparlester This is an issue with the bands

The front band controls the 2nd gear cluster. The rear band controls the 3rd gear cluster and reverse. For a 2-3 shift, the transmission shifts back to 1st gear with the front band while the rear band engages 3rd gear. If the front band does not release the 2nd gear clutches before the third gear clutches engage, the transmission binds, which shortens the life of the transmission clutches. If the front band releases too early in the shift, the engine will overspeed (sounds and feels like a slip) during the 2-3 shift.

1. Loosen band adjusting screw locknut. Then back locknut off 3-5 turns. Be sure adjusting screw turns freely in case. Apply lubricant to screw

threads if necessary. The front band adjuster is on the outside of the transmission and the locknut requires a 3/4" wrench.

2. Using Inch Pound Torque Wrench C-3380-A, a 3-in. extension and appropriate Torx™ socket (T-40), tighten adjusting screw to 72 in-lb. CAUTION: If Adapter C-3705 (from SPX Miller) is needed to reach the adjusting screw, tighten the screw to only 47-50 in. lbs. torque.

3. Back off adjusting screw the number of turns listed below for your transmission.

4. Hold adjusting screw in place and tighten lock-nut to:

41 N·m (30 ft. lbs.) for the front band

34 N·m (25 ft. lbs.) for the rear band

The adjustment screw inside the case is a square head bolt. You will need a 1/4 square head socket to fit your torque wrench. (this may also take a 1/4" or 5/32" six point socket)

Hope this helps

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Lester will be eternally grateful.
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