Hot answers tagged tdi
If your TDI is a PD type then you're better off erring on the short/fast side. There were many cases of prematurely worn out cams on PDs due to oil. This means sticking to the oil norm and change interval specified by VW. If the engine is a non-PD TDI (such as ALH, AFN etc.) then you could try using oil analyzer (such as lubricheck) in order to determine ...
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