Cummins missing 5th gear

- R
- Rambler
  
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posted
18 years ago

Thu, Jan 26, 2006 5:06 AM

I've got a Dodge Ram 2500 4X4 Cummins with 5 speed tranny. The other day I shifted into 5th and it wasn't there. It goes in, never made a sound, but it's like being in neutral. Anybody???

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- M
- Max Dodge
  
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posted
18 years ago

Thu, Jan 26, 2006 5:19 AM

Yup, you have the 5th gear nut problem. Due to harmonics, the nut that keeps the 5th gear shaft splined to the gear backs off, and voila, no more 5th gear.

TSB on the problem listed here:

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- R
- Rambler
  
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posted
18 years ago

Thu, Jan 26, 2006 7:03 PM

Thanks Max, it even shows the repair procedure.

Rambler

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