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Thread: Did You know this 'Can' happen to a diesel (Death by oil)

  1. #1
    Join Date
    Jan 1970
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    Gold Coast
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    Did You know this 'Can' happen to a diesel (Death by oil)

    well I think I have definitely taken the title early for this one. After all the work fixing the turbo etc it was fine. I then decided to do an oil and filter change.......

    over filled it. (yes I checked the dip stick, yes it was high but I didnt think it that high and that it would settle after warm up and run as it has somewhat before) I did 3 short (3-10km trips) and it was fine (running fine) then took it for its first proper run after fixing the turbo. 17km later, @ 80km/hr, in 4th gear, backing of the throttle due to decending over a rise...........then the engine starts to rev faster and faster by itself......yep it was running on the oil . No shoulder to pull over to, car behind me. De-clutched and popped into N, whilst tuning the key off and fumbling for the turbo timer stop button. AND keep an eye on the road and car behind.....massive plume of white/grey smoke. The engine stopped the same time I hit the stop button on the t/timer..but I cant be sure if I stopped it or it died.

    As soon as I pulled over and the car had passed me (im still 1/2 in the lane) I opened the bonnet to check. No leaks, No holes, Nothing looking bad (yeah right) just a tiny bit of smoke coming from the turbo exhaust flange....Im guessing that got rather hot. 3-5mins after shut down it, I turned on the ignition to read the gauges. 110c on the engine temp. Prior to death by oil it was fine, egt's around 250 post turbo and 89c on the coolant temp. I watch these like a hawk

    I had it towed home. I removed the intercooler and all its hoses and cleaned them out. I got about half a cup of oil out of the bottom hose and about half a cup out of the intercooler. The intake hose from air filter to turbo had some in it but only a table spoon or so. The engine breather line was very oily and the bottom of the airfilter has oil on it.

    All hoses cleaned well and the intercooler. Coolant level is spot on (none lost) oil level is now at the max indicator when cold. still no leaks. Engine will turn by hand (ring spanner with hand at about 200mm leverage) but it wont crank on the starter??? it will the tiniest bit than the starter just "clicks" really fast....

    any ideas on what my next move should be.....besides handing in my licence and getting a bus pass

    Edit: forgot to add, engine is a 2.8tgv, very similar to a 300tdi

  2. #2
    Join Date
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    Locked up???

    Might be time to pull the injectors and turn it over without compression. You could have an oil hydraulic lock- up in 1 or more cylinders.
    Failing that (and I don't wish this upon you) you could have a bent rod

  3. #3
    Join Date
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    Pull the glow plugs, make sure the battery is fully charged, then try and get it to turn over.

    If you can turn it over by hand, sure it isn't a flat battery???

  4. #4
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    How overfull?

    Pull glow plugs and disable injector pump and crank, if you can turn with a spanner it's a starter/batt prob

  5. #5
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    about to pull the glow plugs. I have 2 batteries, that i believe ok. The starter is "clicking" very rapidly.

  6. #6
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    Quote Originally Posted by uninformed View Post
    about to pull the glow plugs. I have 2 batteries, that i believe ok. The starter is "clicking" very rapidly.
    Do you have a bellhousing drain plug fitted? Make sure that the rear main seal hasn't failed, and filled up the bellhousing with oil, causing issues for the starter.

  7. #7
    Join Date
    Jan 1970
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    Goolwa SA - but top ender forever
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    not that this helps but I can remember an aboriginal worker at Nutwood Downs in the NT being asked to change the oil in the gen set which he did - then filled it up to the top of the rocker cover (just like fueling up) destroyed the engine. I can still hear the manager screaming at the poor worker, god, us and the universe in general like it was yesterday and that was about 32 years ago.

  8. #8
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    Do the glow-plugs extend to the piston bowls on those? If so any oil in them could potentially be sucked out.
    But if it turns over by hand, it's likely good to start and run.

    You'd be surprised how common this is.

  9. #9
    Join Date
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    Over filled by 2 litres plus what ever burnt off. I used my usual drum pump, 100ml per pump. Some where I stuffed up! Just trying to find and fish out my 1/4 drive socket I dropped. Good god....
    Last edited by p38arover; 12th February 2012 at 02:38 PM.

  10. #10
    Join Date
    Jan 1970
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    Somewhat North of Cape York...
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    The engine can be turned over by hand. The starter motor clicks only, that's where the problem is, apparently. Insufficient voltage or failure of the starter.
    Cheers
    Johannes

    There are people who spend all weekend cleaning the car.
    And there are people who drive Discovery.

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