Originally Posted by D1dad
I serviced the tranny the day I bought it @109k. Son in laws brother is a GM tech. According to him he seen very little problems with the 3.9 compared to the v8 version. It works pretty seamlessly but I just can stand the faint shudder when cruising. And I have no idea what lifter filter your talking about.
Yes, when comparing the V8s, the V6 models look amazing, but the 4T65 still fails more than most think, even with perfect maintenance. Not trying to say it'll break tomorrow, just saying take care of it. As for the filter, Google what's in quotations and add "LS4", you'll see.