white smoke, burning smell

[rambodinio]

hate to do this on my first post.

bloke come down with his audi to sell to me, i took it for a test drive and it pulled and drove lovely, so i payed for it.

in the morning i turned it on and loads of white smoke come out the exhaust and it stunk of burning, like oil burning if anything.


first thoughts are bye bye turbo but the smoke wasn't blue, there no mayo round the filler cap so head gasket ok.

i sure its the turbo but what can people recommend????

thanks

[rambodinio]

oh and no ECU light or funny noises and once warmed up smoke reduces alot

[Crasher]

And the engine is a...

[rambodinio]

1.8 20v turbo, 150bhp version i think, although the bloke did say he thinks turbo been changed and a remap from prev owner to 230bhp.

straight threw exahaust with de cat

[Crasher]

From what you describe it sounds like the turbo has failed. This is normally due to sludge in the sump and just fitting a new turbo is no use. I would be very wary about driving it and I suggest the sump is pulled ASAP to check for sludge. How are you going to get an MOT without a cat?

[rambodinio]

it was already MOT'd. going to change it as its way to loud for my liking, depends what kind of bill im looking at to get this problem fixed!

it smokes as soon as the exhaust gases are warm,ike after 30-40 seconds.

deos that mean internals are buggerd aswell? what damage am i looking at?

thanks for the help....

[rambodinio]

what i mean also is where do i go from here, if the sump has sludge (im guessing you mean lumps of burnt black oil

[T.sport]

Best bet would be to drop the oil,then remove the sump to give it a good clean out.Put it back and fill back up with some good quality fully synthetic oil 5W40 is what i use.Then,do a compression test to make sure the engine is still a gooden.If that shows up ok,look on ebay for a recon turbo as they sell on there for £100-£150 ish.If it is running at 230 Bhp it will at least have a K03s turbo,but possibly the K04 if its got the different manifold fitted.But so many people remap a standard 150 and qoute stupid figures that just arent true. When looking for a turbo on ebay,to determine if its a K03,it will have 12 fan blades,if its a K03s it will have 8 fan blades.Hope this helps

[rambodinio]

thamks t sport, i descoverd the dip stick reading was high, upon draining the oil it eventually stopped at 7 and a half litrs!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

now refilled to 4 and a half ish.

still smokes but not as much by far!

[T.sport]

7 and a half!Bloody hell. You will probably find the smoke will clear in time :)

[rambodinio]

exactly what i though, still not happy that thats the problem solved, very suspicius of turbo now!

[T.sport]

What makes you suspicious of the turbo?

[rambodinio]

dont know its just there in the back of my mind, like the amount of oil being pushed around could have blown the seals, smoke is getting better but stil there etc.....

[STEWY L]

the exhaust will be full of oil and will smoke when the exhaust warms up until it's all burnt off.
high oil level wouldn't blow turbo seals,they are supposed to withstand full oil pressure,but you have had almost twice as much oil in there as you should have had and have been very lucky that the con rods haven't been bent.
however,if it still smokes after a few good long trips,one may have suffered?
sure it's fine,
regards,
stewy.

[rambodinio]

cheers fella, if con rods where bent wouldnt that mean engine wouldnt run over idle if at all?

[T.sport]

cheers fella, if con rods where bent wouldnt that mean engine wouldnt run over idle if at all?

If the engine is running smooth,its probably fine.To be sure if you want do a compression test across all 4 pots and if one stands out different theres a chance that Con rod is bent. I wouldnt think its bent though. :beerchug:

[rambodinio]

cheers, had the intercooler off to day to see what oil was in there, looks like it had quiat alot in there, emptied what i could without any cleaner and cleaned the pipes up and put it back together.

see if that helped a little bit