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lb7 tranny

  1. Transmission Shop
    I have a 2004 Chevy 2500 Allison 1000 just had tranny overhauled because I though it was the issue (could still be) when you put it in drive and start to accelerate it clunks than you get going down the road hit between50-60mph it free wheels and rpms go up and speed drops and you have to let...
  2. General Discussion
    Here’s what’s going on my 2003 gmc duramax I had cracked the rear adapter housing on the transmission and I took it out and replaced. Everything was working fine before hand. We got it all put back together and installed in the truck all plugs cleaned and properly put back together. Filled it to...
  3. Transmission Shop
    I have a 2001 Chevy 2500 with the lb7 I’m changing the motor as the old one has spun a bearing. I was taking out the torque converter bolts I got all them out except for one witch is stripped now both the 15mm and the hex head any help to get it out? I’m out of options
  4. 01-04.5 LB7 Duramax Powertrain
    Hi guys new to the form... I have 03 lb7 nd with suncoast tranny efi htt turbo nd small lift pump.. Yesturday I heard a crunching noise same as if I was to crunch a can from my truck not sure were it came From and shortly after my truck went to limp mode once I got it out of limp the first time...
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