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    Allison is making some bad noises!

    https://m.youtube.com/watch?v=Uv2bkE7gK3c Sounds just like this
  2. A

    Allison is making some bad noises!

    The truck does shift perfectly fine, goes in every gear nice and smooth with no problems, other than it sounding like hell. I did pull the inspection cover and didn't see to much going on in there, didn't look like the torque converter was moving back and fourth or anything like that. As for...
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    Allison is making some bad noises!

    Hello, new here and new to the duramax world and looking for some help on what you guys think the problem is. The truck is a 2008 LMM 4x4 and the tranny is making some pretty bad noises. It almost sounds metal on metal and is up by the torque converter area. From what I researched I would...