I noticed some Black residue on my turbo compressor housing, and white powder on the intake elbow. I'm guessing that it's oil.

 

From the picture, can anyone tell if the turbo itself is leaking oil, or if this is leaking from the CCV pipe? If its residue from the CCV pipe, can anyone recommend a good catch can to use? This is on a CJZC engine.

The white powder you're talking about looks like corrosion? If it was in the UK it would probably down to road grit used in the winter.

The white powder is normal, the alloy gets that way after a while. The black pipe seems to be leaking at the connection to the turbo. The end appears to have cracks or is split and leaking. Needs to be wiped clean and checked closely.

As others, that looks more like a normal corrosion product (white), and the best way to trace an oil leak is to clean the area and observe for fresh oil.

Any oil on the plastic charge pipe could be down to the "rubber" O-ring not sealing as well as it should.

 

I took that pipe off my wife's August 2015 VW Polo 1.2TSI 110PS and the official workshop manual points out that these O-rings should be replaced whenever that pipe is removed - though I would normally only expect oil to be misting out from the other end, ie the TB end.

 

Edit:- on looking at that picture again, I'm guessing that your car has the earlier 8V version of that engine, though probably still got a "rubber" O-ring at the turbo end, and maybe that end of that pipe is the lowest point of that charge pipe - it is the highest point on the later 16V engines, so the oil mist appears at the other lower end mainly.

Edited 10 February, 20224 yr by rum4mo

12 hours ago, xman said:

The end appears to have cracks or is split and leaking.

If I'm looking at what you are referring to then those might(?) just be markings when viewed on a bigger screen or zoomed in.