Really? When I had the fuel TSB done, the dealer installed the new gauge cluster and handed me a new complete sensor/sender "assembly" to put in my fuel tank. I just had to swap the original fuel pump onto that assembly that went inside the tank. I remember that the float and arm looked a little different. Nothing was modified. (They were afraid to touch my gas tank since I had bashed it in from rocks, so I installed the new sender myself). <img src="/forums/images/graemlins/smile.gif" alt="" /> What is supposed to be modified? (or what was I supposed to modify that they didn't tell me about?) Mine works great now. Low fuel light comes on at 2.5-3 gals left. Definitely reacts differently from the original gauge/sender.