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Thread: Need some help - sick 200Tdi

  1. 23rd March 2012, 09:26 AM #1
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    AndyK
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    Need some help - sick 200Tdi

    Hi there,
    I'm hoping some one can help me before I spend some big money!

    Whilst crossing the Central Highway my 200 Tdi had been running hot (just below the red on the gauge) and when I got to Curtain Springs for the night I noticed a coolant leak from the radiator.

    I have an engine saver fitted and the temp had been around the low 90's and coolant level was fine until the leak.

    We got to Alice Springs and had the radiator repaired but the guy advised us that the core was buggered and I should replace it once I got to Brisbane. Well I'm in Toowoomba now at relatives place so we took the opportunity to recore the radiator so thats getting sorted now.

    However on the drive from Alice to here the engine started to spray oil out of the filler cap requiring a top up every day (200/300 mls of oil). The fuel consumption has also increased although the engine power was still OK and at a steady throttle there wasn't any white/blue/black smoke from the exhaust. The engine has been working hard (we are fully loaded for our trip now in its 4th month) and has been running hotter than normal for a while now. There is no water in the oil (no white sludge in filler cap) or oil in the coolant.

    The oil seals in the turbo also appear to be buggered with a fair amount of oil in the intercooler and hoses, enough to drip down onto the paper air filter. I have a Provent fitted so no oil has been getting from the breather into the intake.

    So where does the problem lie? Cylinder head gasket or something simple?

    Andy, Rosy and Abby
    SIII 88" Petrol 1978
    SIII 88" Diesel 1977
    90 2.5 Diesel 1986
    GS 101" Modified 1979
    Range Rover Vogue SE 1990
    I now drive!? 1994 200Tdi 110
    80" 1950
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  2. 23rd March 2012, 06:36 PM #2
    87County's Avatar
    87County
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    Well AndyK, no one else has had a go at replying to this so here's a start....

    ... from your description it doesn't sound too good,

    ... as you have already identified - the turbo needs replacement

    ... and the crankcase pressurisation is a worry

    ... blow-by IME probably means an engine rebuild (which isn't the end of the world and usually works out well)

    ... but why not fix the turbo & cooling system since you have to anyway and see what happens then ??


    maybe someone else will contribute something helpful - good luck !
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  3. 23rd March 2012, 07:19 PM #3
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    isuzurover
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    Check the provent element isn't blocked. If you can, try giving it a clean (see the good oil for how).

    However it sounds as if the engine is just getting tired.
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  4. 23rd March 2012, 08:22 PM #4
    slug_burner
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    km on the engine?
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  5. 23rd March 2012, 08:28 PM #5
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    Blknight.aus
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    old engine, excessive blow by and a worn turbo...

    time for an overhaul.

    realistically bout $2k parts and labour on a palleted engine.
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

    Fozzy, 2.25D SIII Ex DCA Ute
    Tdi autoManual d1 (gave it to the Mupion)
    Archaeoptersix 1990 6x6 dual cab(This things staying)


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  6. 23rd March 2012, 09:20 PM #6
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    Andy,

    These 200Tdis are pretty robust. I would pull the head and check for evidence of pressure leaking into the crankcase via the pushrod galleries, and take a good look at the bores.

    Turbo seals can be a little more catastrophic than that, so can a head gasket failure, so I am not 100% on either of these, as Dave and Ben say it could be just getting on a bit and needing a re ring.

    Using new pistons and rings with a hone will be fine if the bores measure up within specs, IIRC LR standard new pistons are manufactured slightly oversize

    I re rung a 300Tdi once using this method and worked a treat, all done in situ. unfortuhately the 200 Tdi isn'r as simple and requires removal from the evhicle due to the crank brace having to be removed to access conrods etc, this requires the removal of the bellhousing adapter etc first

    Also, if the engine has had a substantial overheat, sometimes the pistons will shrink when cooling and the rings can even lose temper so these can cause blowby etc alone.

    JC

    Even so, The 200 is a good engine
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  7. 24th March 2012, 09:39 AM #7
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    Hi there,

    thanks for the replies so far..

    The engine has just passed 87,000 miles

    I'll try giving the Provent element a clean as it is soaked in oil. When I ran the engine yesterday after refitting the recored radiator there didn't seem to be excessive fumes being blown out of the oil filler when I removed the cap and revved the engine.

    Andy
    SIII 88" Petrol 1978
    SIII 88" Diesel 1977
    90 2.5 Diesel 1986
    GS 101" Modified 1979
    Range Rover Vogue SE 1990
    I now drive!? 1994 200Tdi 110
    80" 1950
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  8. 24th March 2012, 09:46 AM #8
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    gotta load it up, the rings will be letting blow by past under load.
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

    Fozzy, 2.25D SIII Ex DCA Ute
    Tdi autoManual d1 (gave it to the Mupion)
    Archaeoptersix 1990 6x6 dual cab(This things staying)


    If you've benefited from one or more of my posts please remember, your taxes paid for my skill sets, I'm just trying to make sure you get your monies worth.
    If you think you're in front on the deal, pay it forwards.
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  9. 24th March 2012, 08:43 PM #9
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    87k is not too much for the 200Tdi. From your description it did not overheat, although it was on its way to. As for the blow-by, did you check the compression? My bet is on a blocked breather.
    Johannes

    There are people who spend all weekend cleaning the car.
    And there are people who drive Discovery.
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  10. 24th March 2012, 09:43 PM #10
    uninformed
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    what temp gauge was near the red? was it the standard LR engine temp gauge?

    How do you know it was low 90's?
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