Originally Posted by phantomsr
Did the same thing but I just capped the turbo inlet and pressurized through a fitting in the inlet. He has that pressurized from where the MAF elbo connects to the inlet pipe. Full intake leak check. Much easier than trying to listen for a leak over the running engine. Make sure you don't over pressure. I wouldn't exceed 20 PSI and I only used 15 on mine. Unless you have disconnected the PCV valve you will pressurize the crankcase too.
Without disconnecting PCV valve, you will blow the cam seal.
Do not perform DIY leak check without disconnecting it.
Learned my painful lesson the harder way.