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Thread: white smoke

  1. 15th October 2014, 06:47 PM #1
    phibbzy's Avatar
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    white smoke

    Wondering if anyone might be able to shed some light on this white smoke.

    [ame]https://www.youtube.com/watch?v=_GNBhuSj_hU[/ame]

    300tdi, vid is cold start.

    So far:

    • replaced injectors with good spares, new copper washers.
    • moved timing from retarded to spot on to advanced and to more advanced.
    • replaced fuel return pipes on injectors
    • checked all unions for leaks, none there...



    Could it be residual engine oil in the exhaust from the turbo leaking engine oil out the exhaust turbine?
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  2. 15th October 2014, 07:11 PM #2
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    Does it smell like coolant or look like steam???

    JC
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈
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  3. 15th October 2014, 07:18 PM #3
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    Burning water
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  4. 15th October 2014, 07:31 PM #4
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    Quote Originally Posted by justinc View Post
    Does it smell like coolant or look like steam???

    JC
    Negative, smells like diesel/oil & confusing me between the two. No coolant smell to it and it does not dissipate like moisture would and the smoke particulates seem to hang and move off with the wind.

    I have an oil leak from the turbo, dumping engine oil into the exhaust so I am very much hoping its that but I have no idea if its possible for it to smoke that much just from oil...
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  5. 15th October 2014, 07:37 PM #5
    PAT303
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    White smoke means incomplete combustion,it's a cold start so that could be it,does it do it for long or when hot?. Pat
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  6. 15th October 2014, 07:43 PM #6
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    Missed the leaky Turbo bit. When I had the Irishman here, he had the same problem, it was blowing grey smoke, ended up being the Turbo. Had to remove all the intake/inter cooler system and clean all the oil out. Then fix the turbo
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  7. 15th October 2014, 07:43 PM #7
    Dungie
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    Looks like incomplete combustion on one cylinder to me. Unburnt fuel = white smoke. have you checked the valve clearances? Hopefully its as simple as that and not a valve/ seat or ring problem.
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  8. 15th October 2014, 07:45 PM #8
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    Quote Originally Posted by PAT303 View Post
    White smoke means incomplete combustion,it's a cold start so that could be it,does it do it for long or when hot?. Pat
    It has 4 new glow plugs in it as well.

    previous to the turbo/oil issue it would do it for about a KM.
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  9. 15th October 2014, 07:49 PM #9
    Dungie
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    Looks like incomplete combustion on one cylinder to me. Unburnt fuel = white smoke. have you checked the valve clearances? Hopefully its as simple as that and not a valve/ seat or ring problem.
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  10. 15th October 2014, 07:53 PM #10
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    Quote Originally Posted by Dungie View Post
    Looks like incomplete combustion on one cylinder to me. Unburnt fuel = white smoke. have you checked the valve clearances? Hopefully its as simple as that and not a valve/ seat or ring problem.
    The head is only 25000km old (AMC brand) so shouldn't be a seating issue.

    I checked the clearances cold after I had the rocker gear out checking the valves/stems. The engine was cold by the time I got to checking the clearances but they were all ~1 thou tight.

    Rings aren't out of the question in my mind so a compression check is in order...
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