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  1. S

    Replace Shift Solenoid B - 2011 HD 2500

    I need to replace the Shift Solenoid B on a 2011 GMC HD 2500. Does anyone have any diagrams to show where this solenoid is located in the Trans? Any advice on the time it takes to do this fix would be very helpful? Thanks in advance
  2. S

    LMM: P0717 - Stuck in 1st or 3rd

    2011 HD 2500 Duramax Allison Trans The is telling me I need to replace to Trans solenoid B. I know I've got to drop the pan, but can someone help me understand where Solenoid B is located?
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