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I just replaced a turbo on a 2012 Chevy Cruze. The original Turbo was making some crazy sounds, as well as a turbo related code. I tell my friend (the owner) to pick up a turbo manifold and the gaskets and we can pop in it together.

It came out real easy, and it was clear o see that the turbo shaft had snapped. The exhaust side of the turbine was just flopping around all over the place. It was cracked around the wastegate as well. Here is a video of how bad it was: streamable (for) com/k3cx4

Anyway we put everything back together and it starts up and idles well. I let it idle for about 20-30 mins before driving it. At this point it’s still humming happily away in the driveway, engine light still hasn’t reared it’s ugly head.

I take it for a run down the road, seems pretty normal for the most part, though it was mostly downhill. At the bottom of the hill service ABS and Stabilitrac lights come on.

When it goes back uphill it where it gets really bad. The turbo surges, it starts getting real Smokey. It manages to climb the hill at normal speed but it doesn’t feel right.

Downhill is all good, but when I make the turn at the bottom back to the house it does the smoke screen again. Thick oily white smoke.

By the time I get back to the house it’s making a sound similar to when I first heard the turbo was shot.

I pop the hood and it looks like the valve cover is leaking again too.

What the **** is happening? Did I just kill a turbo again in 5 minutes?

Current codes are p0171 p0299 and p2227
 

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Did you happen to replace the Oil feed line going to the turbo? I wonder if that line is clogged and the bearing is starving of oil. Should be a easy to check, just unbolt the line and see if there is good flow through it.

But by the sounds of it, Yes the one you just swapped in there is dead.

As for the valve cover, check your PCV valve and make sure the orange nip is still in the intake.

Hope this helps you out
 

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Not only the steel oil line that feeds the turbo, but the turbo oil return line into the oil pan. I think parts of that are rubber and plastic. If the first turbo got that hot to self destruct you might want to check the drain line to make sure that the turbo can quickly get the oil back into the pan.

I remember reading this somewhere. If the oil return line is restricted oil pools up in the turbo.
 
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