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Thread: Y61 CRD 08 white smoke at engine

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    Beginner Loodfick's Avatar
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    Y61 CRD 08 white smoke at engine

    Hi all. I need some help please. There is white smoke underneath the hood when I crank the starter. This happens before it starts and when it starts it sounds seriously bad. The smoke is coming out of the left next to the intake. What could it be?

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    Y61 CRD 08 white smoke at engine

    White smoke Is unburnt fuel mate. Could be a blown head gasket or blown head. Possibly a leak in one or more injector lines. When you say it sounds bad, what sort of bad. Is it a choff choff sound?


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    Good day Mate. Had it towed to a mechanic. He says that it was a hole in the intake manifold. He showed me how the air has blown to the side walls causing black marks. I must have seen white because I did not start it I just turned the key over for a short period. When my wife had it running before this it sounded bad but I think it is just the hole. The guys says it looks like my rings are going and showed me oil on the intercooler. I have a catch can fitted and he says that you only do that if you rings are on thier wag out. Says I basically need a new engine?? How do I know and what could I do?

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    Replied in your other post but... the only way to diagnose the engine is with a leak down (compression) test.

    A hole in the intake manifold is a) unusual and b) not good... how many K's on the engine and what is the history of teh vehicle?

    White smoke is unburnt fuel (as 4x4 said) but I would have thought that more likely from a warped/blown exhaust manifold which is more common

    Catch can is not 'only because rings are going' on the ZD30... they are an engine that dumps lots of oil blowby residue in the Intercooler so maybe a 1/3rd of all ZD30's in Oz have catch cans fitted by owners to stop the shitty blow by going back thru the combustion cycle
    Last edited by the evil twin; 16th July 2016 at 02:25 PM.
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    Ta for the reply mate. It has 199,000 on the odo. I got it at 185,000 about 8 months ago. It may be the exhuast manifold. Let me check with him once he has had time look at it next week. So do I need to be worried about oil in the intercooler? Perhaps my catchcan is full and I hadn't noticed. He also pointed out oil close to what looks like the air intake at the turbo but I am not a pro, oil coming in doesn't make sense to me.

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    It isn't oil per se... it is blow by, or at least it shouldn't be oil unless the Turbo has shit itself
    The ZD30 Intercoolers are crimped not welded and leak hi pressure inlet air and it gets worse with age.
    The leaks usually manifest as a black oily residue at the corners of the cores near the plenums.
    Being a VNT Turbo it doesn't matter until it gets waaaay bad and the Turbo maxs out Nozzle angle trying to hit ECU boost demand

    The residue is mostly the oil and fumes 'blow by' (gases etc blown past the Rings) being drawn thru the atmospheric intake pre-Turbo sent to the combustion cycle as part of fumes and emmissions control etc.
    If you take off an I/C hose there will be oily residue in the hose in every ZD30 known to man and in the I/C.

    Catch cans are placed between the engine and the intake to filter out the majority of the residue and contaminants drastically reducing the amount going back thru the engine causing wear and also reducing engine oil efficacy.
    If you don't empty the Can then the residue goes thru as normal.

    All engines do the above but the ZD30 is def one of the engines that is top of the list for the most amount.
    Last edited by the evil twin; 16th July 2016 at 03:46 PM.
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    Ta mate. So I think I'll get the hole in the manifold fixed then check the catch can and make sure it is not full. I will also get the guy to do a conpression test just to see where I am at with regards to pressure loss. But is there anything else I need to do, or can I just keep driving it? We love the car but I don't want to have to replace engines etc. would probably drive for a bit longer and then replace it for a younger one or perhaps something else.

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    Empty the catch can, even if there is not a lot in it. I can't bee all what you said about the I/C but if it is leaking oil replace it with a welded one. If it is not leaking clean it out and clean the oil from any hoses etc. there is no answer to your question about driving it, although if it's stuffed it will still be stuffed and if it isn't it won't do any harm. Hard to say what a compression test will show. It will show if good and if no good, but wear and tear is to be expected and differences in compression from new and imbalances between cylinders is to be expected. A leak down test will be more dig initiate if the ring are suspect. Myself I will replace my engine when it's necessary as I think 6 to 10 k is abetted option then a trade up to a more modern but less fun vehicle.


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    Ok. I will do a leak down just to get an idea where I am at. Where would I go to get help doing the engine for less than 10k? I would even take off work and help work on it... any referrals to good mechanics for a patrol? I don't know enough to make educated decisions... not a good place to be in not sure who to trust. I will go to the mechanic where my patrol is now and get some fotos. Also open the catch can and see. Thank you guys for all the help. This forum is awesome. Ta

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    Find out what the trouble is before planning the budget. Keep us informed.


    Sent from my iPhone using Tapatalk
    2005 GU IV ST 3.0. Snorkel. Roof rack. Awning. Spots. Welded I/C. Dual batteries & VSR. UHF. Barn door hinge extension. Roof top spot lights. Rear drawers. 2" lift. NADS. EGT and boost gauges. Trans temp and water temp gauges. Provent 200 catch can. Rear ladder


    And crawling on the planet's face, some insects called the human race. Lost in time. And lost in space... and meaning.

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