burn_your_money
Veteran Member
Have you confirmed how much vacuum your vacuum pump is making at idle and at 2000 RPM?
You definitely need new gaskets if removing the intake manifold. They crush to seal.
I saw someone in the Passat section use engine oil dye to find a leak in his intercooler
https://www.napaonline.com/en/p/BK_7652661
Some amount of leakage is normal in the charge air system. What you will want to do it clean all the connections well (brake clean works great) and then go for a drive and see how much oil is coming out. You'll know if you have a big leak by how quickly a connection gets oily.
I don't have any specs for the TDI but on a transport truck, most are allowed to loose 5-7psi of pressure over 10 seconds at around 30 psi charge through the intercooler.
You definitely need new gaskets if removing the intake manifold. They crush to seal.
I saw someone in the Passat section use engine oil dye to find a leak in his intercooler
https://www.napaonline.com/en/p/BK_7652661
Some amount of leakage is normal in the charge air system. What you will want to do it clean all the connections well (brake clean works great) and then go for a drive and see how much oil is coming out. You'll know if you have a big leak by how quickly a connection gets oily.
I don't have any specs for the TDI but on a transport truck, most are allowed to loose 5-7psi of pressure over 10 seconds at around 30 psi charge through the intercooler.
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