Question about 2001 Volkswagen Jetta TDI

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Turbo not working properly, it seems to only go so far then you can hear air rushing out

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Check the wastegate vacuum diaphragm+hose and wastegate bypass regulator valve and boost pressure recirculation valve.make all hoses is tight.if you losing power remove the turbo check to make sure turbine is turning.if its not spinning fast you will hear air noise.hitting turbine blades.

Posted on May 29, 2009

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