01-04.5 LB7 Duramax Powertrain
2014 chevy silverado 3500 HD 6.6L Duramax / 6 speed Allison...
While getting some brake work done, I was thinking of having the transmission flushed. But the mechanic told me that if it's never been done before, I could have a blown transmission within a week. I guess a flush would clean all...