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Thread: Another 300 tdi overheat!

  1. #51
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    Here's mine with a new timing belt fitted onto old style timing gears.....................sigh. 12 months old.



    I wonder if incorrect tension is the cause of the belt jumping on the tensioner which then acts as a pizza cutter.

    Deano

  2. #52
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    I'd guess so.

    Word on the street is that the revised belt tension was the real fix for the timing belts lunching themselves.
    It was the final 'update' too.

    I know of belts that have done 120,000km and look like new still

  3. #53
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    tension relief

    Quote Originally Posted by rick130 View Post
    I'd guess so.

    Word on the street is that the revised belt tension was the real fix for the timing belts lunching themselves.
    It was the final 'update' too.

    I know of belts that have done 120,000km and look like new still
    Along with the modification kits, I have set my belts slightly above 10 NM and drilled a 19 mm inspection port at the top of the timing case cover.
    Nothing wrong so far ( no rubber dust at all ) with now over 80,000 Klm's on each of the belts in the three 300TDi's that I am running here as our daily drivers.

    So it looks like to me also, that the running off of the belts was due to the belts stretching unevenly with excessive tension.
    .

  4. #54
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    Well just for reference here are the pictures of the bores (finally!) however I know what needs to be done!



    Cylinder 1



    Cylinder 2



    Cylinder 3

    And here is a close up







    Cylinder 4

  5. #55
    slug_burner is offline TopicToaster Gold Subscriber
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    None of them look too good! Unless you have cleaned the crowns before the photo they all look to have been running with water getting in.

    A mechanic should be able to tell you if there is much that can be done but I'd be taking the pistons out and getting some lube wiped onto the cylinders.

  6. #56
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    Smile

    Ouch! I was lucky when mine overheated the head went bendy. got out of t cheap and easy to fix.

    Has anyone told you not to pour cemet and crushed rock into the intake!

  7. #57
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    off to the engine reconditioners

    Hi

    It's off to the engine reconditioners with that one, mostly to find out if that block can be salvaged.
    .

  8. #58
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    or is it time for a TD5??? Isuzu???

  9. #59
    2stroke Guest
    Mmmm... not a good look! Happy to say a new head etc is on it's way from Turner's to my place at the moment.

  10. #60
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    watch the costs

    Quote Originally Posted by Matplat View Post
    Well just for reference here are the pictures of the bores (finally!) however I know what needs to be done!
    That's bad in the bores, the crankshaft should be still good, but watch out for the camshaft bearing alignment. To get that engine block fully reconditioned say $3500 upwards and new head from Turners about $900 with the freight paid and maybe another $500 for other items such as overhaul gasket set, water pump, thermostat, timing belt kit, etc.

    To keep your costs down, I will reiterate about finding another 300 TDi engine, look for a pranged Discovery as the motor should have been still working when the car had it's accident, maybe pay about $2500 for an complete engine, buy that engine on the condition that it passes inspection, then do as has already been suggested, pull the head have a look and at the least you get is a new Elring head gasket $40.
    LAND ROVER DISCOVERY 200/300 TDI HEAD GASKET (3 ID Hole | eBay

    The present radiator should now be rodded, as the muck stirred up in the cooling system by the over heading engine would have made it's way into the tubes in the radiator core, that should cost about $140.
    .

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