Hi Guys

 

What is happening here? Why this stain next to the turbo??

can't seem to edit the post.

 

Could it be the turbo seal?

Anyone? 

 

I took the intake apart, I couldn't see any cracks, there was a teaspoon of oil just outside the turbo. Cleaned everything with some electrical instant drying spray but the stain can back straight away. I can't workout the source. 

 

 

Edited 19 November, 20178 yr by Bertie90

For anyone who is interested in knowing the answer, it's a boost leak between the turbo and the pulsation damper. It's a very bad part designed by VW which fails in most cases apparently. 

 

http://www.4x4community.co.za/forum/showthread.php/278887-Amarok-boost-leak-between-turbo-and-damper-DIY

First time I've heard a boost pipe referred to as a pulsation damper but that's south Africans for you.

 

But more to the point, either your turbo seal is leaking some oil (and into the pipework) or oil is being drawn into the intake end, either from the crankcase ventilation or the egr valve. The leaky joint may be annoying, but you really shouldn't have any significant amount of oil in the boost pipework. As the stain came back straightaway may suggest  a fair amount of oil is blowing through the boost pipe.

 

How much oil does the engine use? Keep an eagle eye it as when a turbo seal fails it can lead to disaster, i.e. runaway engine.

4 hours ago, xman said:

First time I've heard a boost pipe referred to as a pulsation damper but that's south Africans for you.

 

But more to the point, either your turbo seal is leaking some oil (and into the pipework) or oil is being drawn into the intake end, either from the crankcase ventilation or the egr valve. The leaky joint may be annoying, but you really shouldn't have any significant amount of oil in the boost pipework. As the stain came back straightaway may suggest  a fair amount of oil is blowing through the boost pipe.

 

How much oil does the engine use? Keep an eagle eye it as when a turbo seal fails it can lead to disaster, i.e. runaway engine.

Thanks for your reply, it's been a nightmare trying to identify where is it coming from.

 

When I took the intake apart there was a teaspoon of oil sitting in the pipe but not much. I taped the intake pipe to see if it's coming from the turbo or the boost pipe. so far no oil has been consumed. If that's is possibly the case, what symptoms am I looking at? 

The guy above is talking rubbish every diesal intake pipe will have a small amount of oil in it as you described.

 

did you ever fix the leak in the end?

On 17/08/2018 at 16:25, Jaffar1 said:

The guy above is talking rubbish every diesal intake pipe will have a small amount of oil in it as you described.

 

did you ever fix the leak in the end?

yes, I did. The intake pipe connecting to the turbo is held by 2 torx bolts. The housing for the bolts has cracked and oil was leaking past the bolts. I did a very cheap fix, i taped the bolts with some thread sealing tape and screwed them back in. I also replaced the O ring between the pipe and the turbo. Al back to normal. 

 

I do remember at the time some mechanics were like "aw mate your turbo seals have gone, you need a new turbo" , "aw you're getting too much oil in the intake, massive engine issue there". It was only VW quality the issue.

On 15/11/2018 at 10:57, Bertie90 said:

yes, I did. The intake pipe connecting to the turbo is held by 2 torx bolts. The housing for the bolts has cracked and oil was leaking past the bolts. I did a very cheap fix, i taped the bolts with some thread sealing tape and screwed them back in. I also replaced the O ring between the pipe and the turbo. Al back to normal. 

 

I do remember at the time some mechanics were like "aw mate your turbo seals have gone, you need a new turbo" , "aw you're getting too much oil in the intake, massive engine issue there". It was only VW quality the issue.

Hi Bertie90,

 

I have 1.6tdi CAYC and seems like I have quite similar issue. I dived my hand down to out-pipe from turbo, close to plastic damper and found that bottom bolt was all in oil, also, I found that EGR pipe is also in wet, seems like oil sprays from that tiny hole.

Do you remember, what kind of tape you used there, it should be resistant to oil and to constant pressure(don't want parts of it being sucked inside the cylinders) ?

 

Here is my case >>>

so i used teflon tape around the bolts for the damper and also changerd the O ring. Only use a little bit of teflon not a lot and you will be fine.

 

 

That looks to me like an EGR issue there. If those pipes have a gasket it's cracked or it can even be a different issue all together.

just to add.....clean the area with brake cleaner and monitor, see exacly where the mist is coming from. go from there

Hi again,

 

How about these ones? I think it is the root cause.

Seems like oil comes from that crack. Will order tomorrow new damper and o-ring.

 

 

And, seems like stream from crack lands on on metal cover and drops down on EGR pipes(central surface on metal cover was rubbed by hand, that is why it is clean)

So if you're using a new dampener then don't use the teflon on the bolts. I used the same dampener But with with new O ring and a little teflon to stop the mist coming through the crack where the bolts sit on the dampener 

8 hours ago, Bertie90 said:

So if you're using a new dampener then don't use the teflon on the bolts. I used the same dampener But with with new O ring and a little teflon to stop the mist coming through the crack where the bolts sit on the dampener 

Agree, it makes no sense to use teflon with new one.

BTW, did you use such one? >>>

Yes that's the one 

heh, Bertie, not so fast, this figure isn't crack there, here you example of new damper, as you can it has same stuff on the edge.

So, I think I will hold myself with ordering damper, just start with O-ring and tape.

 

 

Edited 12 November, 20196 yr by john999boy
Duplicate image removed

improvise, that's what i did