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Broken Ground Stud G134 On LM2 3.0 Duramax Diesel

A new bulletin showing a potential area of concern for a major ground has surfaced. The ground, G134 which could cause a very large number of codes to be set, could break due to vibration fatigue. The bulletin #22-NA-210 outlines the parts needed to repair which include the NOx catalyst as well as the necessary bracket and nuts which are to be torqued to 53 in lb.


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