Mitsubishi has been over this particular light engine, have made necessary modifications and is fully confident that beyond a normal failure rate, which is to be expected, the rebuilt ones should be fine. The only problem for them at this point is getting the product in and as noted many are arriving this month. As far as Mits is concerned this problem is behind them...
I also asked about other companies that claim they can rebuild this light engine or any other Mits light engine. That raised eyebrows because Mits doesn't sell any of these parts to anybody else; they are the only ones that they allow to rebuild the engine. Now this doesn't mean that another company might not have some connections overseas to acquire some of the parts nor the fact that a handful of parts in the engine could be obtained generically. It does mean NOBODY will be getting any help from Mits to do it. Extended warranty companies may suggest and even require a light engine be sent to a generic rebuilder but as Sheldon's debacle shows, it is not going to be in anybodies best interest, especially if things go wrong!
That parallels a point that comes up with car repairs whether due to insured collision or extended warranty and whether or not you are getting after market parts (so the insurance company can save money) or genuine manufacturer parts...
As for CSR's that speak terrible english yes
