With the pcv hose connected to your turbo charger if you pressurize it up like this you will pressurize your crankcase as well which can blow out your pcv on the top of the valve cover and possible blow out seals.
When I do this test the pressure immediately goes into the crankcase The factory internal intake manifold pcv was sealed and replaced with an aftermarket kit. when I pull the dipstick or open the valve cover the pressure is released with a pop and if more intake pressure is applied with either open bubbling can be heard from inside the engine and the pressure flows out. I removed the intake manifold and resealed the factory pcv hole but still have the massive boost leak into the crankcase. Good compression test and smooth idle????? any ideas.
Doesn’t this devistate your evap line since you are forcing air the other direction. Also your purge (used to be called pcv I think for Cruze it is called pgc or something) this could be destroyed with that type of pressure. You will need to build a pcv bypass kit.
No it didn't hurt it at all. You don't need much pressure in the system to locate a leak. I'm not gonna do that stupid bypass kit from Andrei pop. I know he builds them and I won't buy anything from that tool.
@@matthewlobberecht6187 maybe I didnt turn compressor up enough for the pressure to reach 20psi, didnt hear a leak either. Cap popped off scared the crap out of me
I put them on there because the factory clamps broke off and some were causing a vaccuum leak so I put zip ties on them and just pulled kinda tight and It was good to go then.
The valve cover should not be holding the boost pressure in. this test should be pressurizing the intake and cylinders. pressure into the valve cover/crankcase means issues. @@matthewlobberecht6187
