Dead turbo ??

[kaneda]

Gave the car a good workout today and encountered a sudden exit of power and no boost since.
Car runs fine but boost has left the building and died, over weight and lonely in a cheep hotel in an undisclosed location... Checked all the usual suspects (boost hoses and connectors) but found nothing and the fact that the car still idles fine has got me at a loss.
Without pulling things apart too much i have found a crack on the exhaust housing just near where it clamps onto the compressor housing which is leaking exhaust gas ,although not much is it possible that this could be a sign/cause of no boosticle ?
Thoughts ?

Cheers
Steve

[Jmac]

Check your Acutator rod hasnt snapped, this lets the wastegate flop open and lose all your boost
Jmac

[kaneda]

Yeah I reached up and tested it for movement and it was all operational . It is making a sound like air is now traveling a different path than it should and no spool up sound at all .

[h100vw]

Could be internal wastegate fault?

Gavin

[kaneda]

Just going to bite the bullet n replace the K04 with either the same thing or one of the many similar products on the market.... Frankinturbo is looking like a good bang for buck option at the moment.

[noone]

Sounds like a big expense for what may not be the issue...

[kaneda]

At the end of the day I still have a cracked turbo that may or may not be worth fixing , so why beat around the small tree.

[kaneda]

Had some spare time today so pulled out the turbo.

Apart from the several cracks running through just about the entire hot side, the impeller is rock solid and the nut on the end was almost off

[Jmac]

You will find cracks on most mate and many to an acceptable level. If you are stepping up thatll be a good K03 for someone.
Cheers
Jmac

[kaneda]

Its a K04 but the shaft is jammed (you cant even force it to turn ) plus when I was still working out what was wrong there was a large amount of exhaust gas leaking from the housing...... I think its rubbish but if anyone wants it they are welcome to it just pay postage...

[Jmac]

Ah sorry should read all the thread my bad Dont make the classic mistake of not checking the oil feed and return pipes, seen it before, and was in a dealership where a new hairdryer was fitted and seized soon after, the classic 1.8T carbon issue was the problem. Pipes were choked
Cheers
Jmac

[audi-tone]

wonder how much it would be to fix something like that.. hmmm

[kaneda]

Yeah I did read in the bentley that it is important to "flush" the oil lines and the manufacturer of the new turbo suggest replacing them so thats on the top of the to do list.

wonder how much it would be to fix something like that.. hmmm

Hey I dont need the ATP manifold either so if you want both im sure 50 would cover postage (kinda heavy together)

[kaneda]

Well after a bit of a stuff around I finally got all the parts sorted...................
New Vs Old

The main difference I could see was the larger diameter of the compressor inlet.
I already had an ATP manifold but the turbo came with another one which was ceramic coated and has clearance on the runners for removing some of the head ache installing them .

All in all the instal was very straight forward EXCEPT for the TIP that the kit came with.
The whole thing was just not right ! as in I had super massive issue with it reaching the maf as you really had to force it over to reach ,but then it would pull off the bottom and all the mounting points for the diverter ,PCV and other vacume points where in the wrong spot or wrong size so I had to ghetto mod a few things to get it back together .
So with the fun I had with the tip I have ordered some stainless pipe and some silicon bends/reducers to make up my own tip in the hope of sorting out the mess of hoses around that area.

[kaneda]

Thought I would disassemble the old turbo to inspect the damage........
When I first removed the hot side

Inside the exhaust housing where it all got a bit touchie/feelie

Most of the turbine wheel fell out when I started to disassemble