2005 Volkswagen Passat 2L diesel came in the shop with a complaint of no power and blowing a LOT of black smoke. Easy to tell that the turbo is not making boost but it didn't sound or feel like a typical boost hose that's blown off.


@myturbodieseldotcom made an excellent video about these turbos. He disassembled one to show all the components, including the variable vanes, and talked about common problems.

   • How a TDI engine VNT turbo works and ...  


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