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Old 03-12-2018, 01:24 AM   #1
LYHTSPD
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Join Date: Oct 2002
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Location: SW Indiana
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2004 WRX Sedan
San Remo Red

Default Is this evidence of a turbo on it's way out?

So I have been burning oil (smell it) and have noticed some white smoke out of the exhaust at idle. I took off the IC this weekend, and saw some oil on the outlet and some brown/black sludge in the intake side. (see pics)

I am thinking this is the turbo on it's way out. I want to try and compression test this week to hopefully rule out a head gasket. I have not noticed elevated coolant temps or the oil itself being brown or milky.

Thoughts on this? Anything else I can test?

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Old 03-12-2018, 06:39 AM   #2
blue wagonman
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Take off the down pipe and check for shaft play and oil buildup.
How many miles are on the car?
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Old 03-12-2018, 08:23 AM   #3
WRXRgr
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I'd check the passenger side valve cover & breather
gaskets, and see if they were going out, first.
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Old 03-12-2018, 09:38 AM   #4
LYHTSPD
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I posted this way too late last night, so I forgot to put in some pertitent info. This is an 04 WRX. There is 180k on the clock, but only about 50k on this motor (replaced the short block due to rod bearing failure). While I was in there, I replaced the TD04 with a slightly used VF35. It has been running fine until recently. I need to pull some data logs to check to see what the boost is actually doing, along with a compression test. I am replacing the suspension this week, so if I have time I would like to to that as well as pull the DP and check for shaft play.

Quote:
Originally Posted by blue wagonman View Post
Take off the down pipe and check for shaft play and oil buildup.
How many miles are on the car?
Blue, I believe there are about 80k miles on this turbo (VF35). I bought it used with 20k on it, and put the rest on myself.


Quote:
Originally Posted by WRXRgr View Post
I'd check the passenger side valve cover & breather
gaskets, and see if they were going out, first.
Breather gasket looks ok. There may be a small leak on the valve cover near the bottom. That might explain some of the burning oil, but not the brown mess in the IC tubing or the smoke out of the exhaust.
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Old 03-14-2018, 02:13 AM   #5
subaru_gc8
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it could be blow by as well. It could be your rings or any other thing that has oil going through it. to check if it is your rings you want to check for blow by coming out of the oil filler cap when the car is cold. if there is alot of smokey stuff coming out , most likely your rings are shot.
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Old 03-14-2018, 09:01 AM   #6
LYHTSPD
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Quote:
Originally Posted by subaru_gc8 View Post
it could be blow by as well. It could be your rings or any other thing that has oil going through it. to check if it is your rings you want to check for blow by coming out of the oil filler cap when the car is cold. if there is alot of smokey stuff coming out , most likely your rings are shot.
I will check that tomorrow morning before I go to work. I have a new PCV assembly coming. Suspension is going on tonight, so I will have some garage time to check a few other things.
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