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Newer high temp semi synthetic engine oils have reduced the coking that sleeve bearing turbos suffered from. The ball bearing ones generally used today along with higher nickle alloys have reduced the cool down time. Our 2013 volksie TDI manual says drive city streets for a couple of blocks after freeway use. NOT a lot of turbo failures reported on the TDI forum. Fuel pumps or dpf clogging OTOH.......
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casual notes from the underground:There are some "experts" out there that in reality don't have a clue as to what they are doing.
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