Update. Now that the extended warranty has expired on that 2004, and I am preparing to go nomad with a trailer criss-crossing North America for the next few years pulled by that truck, I wanted to add the pyrometer and transmission temp gauge the tech suggested. While there, Larry showed me an option of changing the transmission pan to one that has a cooler and larger lubricant capacity. I bought that option and they installed that too. The instruments are top grade and perfectly installed. While there I asked for more info on things to bullet proof this 6.0 diesel and Larry described the EGR cooler and oil cooler improvements available. Upon returning home, did more research on those options, read the boards and reviews of hundreds of users which overwhelmingly confirmed what Larry said. So I brought the truck back down to have it fully bullet proofed with an EGR cooler, oil cooler, head studs installed.
There were a few other enhancements I found on line, that were available at Diesel Injection Systems. I asked Larry about them and he indicated that he had seldom seen the stock part fail, and he has done upgrades for a hand full of customers in the past and had a higher incident of those "improved" parts failing than the stock. He could have sold me on them and made more money, but he didn't. He did that on several of the improvements found.
He did a checkout of the truck after all the work was completed and the check engine light came on, with a code that could have been one of 3 sensors. He replace the usual suspect, drove another hundred miles, and it came on again. So he replaced the other 2 and drove the truck another 200 miles to be certain that there were no problems. None of that labor was charged. In addition, the work done necessitated an oil change which he also did not charge a dime.
The truck now runs silky smooth, and I have confidence while out in the hinter lands off the grid, it will continue to do so.
I fully trust Diesel Injection Systems and Larry. read more