Quote:
Originally Posted by gsxr750
It would be hard to apply enough torque on a oil filter to snap the alloy casting, the mechanic woud have to have been a complete idiot and the oil filter installed would show signs of distortion.
Usually when you over tighten a oil filter, the hex head edges will easily round off.
All odds are that the dealer will blame the problem on the installed adapter and deny any kind of waranty service.
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But the dealer installed the adapter bc they sold him the oil cooler. What is weird is the tech must have just barely over torqued to stretch the aluminum just enough for it to have the tinniest stress crack for it to last over a year of the aluminum expanding an contracting going from hot to cold. I'm surprised it didn't happen sooner. That's probably what the dealership is thinking. Especially if they don't service the car they may say to the OP that it could have been done by who ever does the oil changes maybe when the filter was off somebody checked the sandwich plate for tightness and put a turn on it trying to be pro active making sure the seal was good and if the upper pan was still a little hot, bam there is your stresser on the upper pan.
OP you said they did a rear main seal when your clutch was done. Did they do an oil change to??? Maybe that's how this happened. Bc I doubt over torquing from a year ago would have lasted this long.