Advice needed from the diesel gurus - Page 2





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  1. #21
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    Default Re: Advice needed from the diesel gurus

    Ok. Resleeve and crank polish. R3500
    New pistons, rings. Bearings, gasket kit R7500
    Cylinderhead R?, donít know if need to be replaced.
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  2. #22
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    Default Re: Advice needed from the diesel gurus

    If you zoom in on the photo of the c/head, it looks like no3 have cracks in all four corners of the pre combustion chamber. Then there is another crack going to the exhaust valve. I can with all certainty say that the head will be warped, but a straight edge test will show that. If you look at the mating surfaces of the gasket, it very clear that it was leaking.

    I doubt that the welsh plug was the cause of coolant loss. Below the welsh plug is brown mark on the c/head gasket showing a indication of a water leak. Around the welsh plug is no indication of coolant leaking, so I suspect it popped out when super heated steam was pushing against it with no or little coolant left in the engine.
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  4. #23
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    Default Re: Advice needed from the diesel gurus

    Quote Originally Posted by wiel View Post
    If you zoom in on the photo of the c/head, it looks like no3 have cracks in all four corners of the pre combustion chamber. Then there is another crack going to the exhaust valve. I can with all certainty say that the head will be warped, but a straight edge test will show that. If you look at the mating surfaces of the gasket, it very clear that it was leaking.

    I doubt that the welsh plug was the cause of coolant loss. Below the welsh plug is brown mark on the c/head gasket showing a indication of a water leak. Around the welsh plug is no indication of coolant leaking, so I suspect it popped out when super heated steam was pushing against it with no or little coolant left in the engine.
    Netso ... at 400k your engine is going to cost a lot to get back to 80k conditions. There most probably was water mixed in with the coolant. These engines run only on BLUE coolant with NO water added.

    I would really simply get a 80k Japanese import engine. That is what the previous owner of my Paj did and I am not sorry he did it as it is the best bang for bucks.

    Ask here - http://japanauto.co.za or any of the places a search engine will give you. You will pay in the order of R10-R16k.

    I see https://www.enginesandmore.co.za has one complete in stock.

  5. #24
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    Default Re: Advice needed from the diesel gurus

    Quote Originally Posted by AardvarkNV View Post
    Send the cylinder head out for mag particle inspection
    MPI can only be done on ferromagnetic material.
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  6. #25
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    Default Re: Advice needed from the diesel gurus

    Quote Originally Posted by mygoggie View Post
    Netso ... at 400k your engine is going to cost a lot to get back to 80k conditions. There most probably was water mixed in with the coolant. These engines run only on BLUE coolant with NO water added.

    I would really simply get a 80k Japanese import engine. That is what the previous owner of my Paj did and I am not sorry he did it as it is the best bang for bucks.

    Ask here - http://japanauto.co.za or any of the places a search engine will give you. You will pay in the order of R10-R16k.

    I see https://www.enginesandmore.co.za has one complete in stock.
    Thanks, I'll make enquiries after lockdown.

    From what I saw online though it looks like the import engines are around R32k. If I can get one for R12k I'll be very happy.
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  7. #26
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    Default Re: Advice needed from the diesel gurus

    Quote Originally Posted by mygoggie View Post
    Netso ... at 400k your engine is going to cost a lot to get back to 80k conditions. There most probably was water mixed in with the coolant. These engines run only on BLUE coolant with NO water added.

    I would really simply get a 80k Japanese import engine. That is what the previous owner of my Paj did and I am not sorry he did it as it is the best bang for bucks.

    Ask here - http://japanauto.co.za or any of the places a search engine will give you. You will pay in the order of R10-R16k.

    I see https://www.enginesandmore.co.za has one complete in stock.
    Thanks, I'll make enquiries after lockdown.

    From what I saw online though it looks like the import engines are around R32k. If I can get one for R12k I'll be very happy.
    One Wife - Livid

  8. #27
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    Default Re: Advice needed from the diesel gurus

    Quote Originally Posted by AardvarkNV View Post
    Iíve seen worse...

    Send the cylinder head out for mag particle inspection and maybe overhaul, re-use the bearings, use a ball hone on the cylinders, get rings, gaskets, and welch plugs then put it back together...

    ...or get a serviceable used engine
    If the head came off without a welsh plug, could there be any doubt that you had serious overheating due to that and 99.9 % sure the head is gone?

    I have gone both routes, rebuild by a proper engineering shop, worked fine but blew again with a leaking pipe. Second try, local second hand, it would still have been going if the guy who installed it did not supply me with a "refurbished" radiator that started leaking like a sieve after 300 km and although compression, etc, were fine, I suspect the damage was done and not too much later, headgasket gone, radiator pipe burst, perished - much more than cracked - head, sleeves damaged, not repairable.

    Just watch out, a lot of engines sold under the 'import' banner are from Colts and if I listened to the guys that are supposed to know, you may need to do some changes, sump, dipstick move are two things I remember, so do not assume a 'just drop in' in such a case.

    You can pick up local engines from anything around R15 000 to R30 000 but of done properly with new clutch, water pipes, etc, you sit at around R50 k and I bought a 'perfect' 2000 Shorty for R80 000 and I have seen cheaper ones. Got R22 000 for the non-running unit, so almost square! Tough decision!

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  10. #28
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    Default Re: Advice needed from the diesel gurus

    Looking at the general condition of the engine as well as the fact that it was run for a long period without coolant:

    I wouldn't rebuild but if I did, I'd buy a new cylinder head. That's around R15k at the current ZAR exchange rate.

    Then new rings at least, hone the cylinders, new bearings, polish the crank..........if you can't do most of this your self, you're in for R40k minimum.

    Get a second hand engine from a REPUTABLE importer. A good company will bench start the engine and run it up to operating temps and check for issues.

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  12. #29
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    Default Re: Advice needed from the diesel gurus

    Quote Originally Posted by jelo View Post
    Get a second hand engine from a REPUTABLE importer. A good company will bench start the engine and run it up to operating temps and check for issues.

    http://www.enginesandmore.co.za/?pag...ngleProduct=51
    Agree 100%.

  13. #30
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    Default Re: Advice needed from the diesel gurus

    Quote Originally Posted by jelo View Post
    Looking at the general condition of the engine as well as the fact that it was run for a long period without coolant:

    I wouldn't rebuild but if I did, I'd buy a new cylinder head. That's around R15k at the current ZAR exchange rate.

    Then new rings at least, hone the cylinders, new bearings, polish the crank..........if you can't do most of this your self, you're in for R40k minimum.

    Get a second hand engine from a REPUTABLE importer. A good company will bench start the engine and run it up to operating temps and check for issues.

    http://www.enginesandmore.co.za/?pag...ngleProduct=51
    Hoe bench start die reputable importers n diesel wat n ecu het? Kon nog nie een kry wat dit doen nie.

    Selfs nie eens n petrol wat ecu het, start hulle nie.

    Is jy seker oor die R40k vir n rebuild. Ek verbeel my half mens kan hom rebuild vir minder as dit.
    Vrywaring: Niks wat ek hier kwyt raak moet hoegenaamd as feite beskou word nie.

  14. #31
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    Default Re: Advice needed from the diesel gurus

    Engines and more Koop meestal front cuts. Vir die Ander, het hulle harnasse met ECUs. Hulle is n pro setup. Dis nie n klomp engines op n pakhuise sement vloer nie.
    Quote Originally Posted by Reenen View Post
    Hoe bench start die reputable importers n diesel wat n ecu het? Kon nog nie een kry wat dit doen nie.

    Selfs nie eens n petrol wat ecu het, start hulle nie.

    Is jy seker oor die R40k vir n rebuild. Ek verbeel my half mens kan hom rebuild vir minder as dit.
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    Default Re: Advice needed from the diesel gurus

    En probeer hier bo n workshop kry wat daai job doen Vir minder.
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  16. #33
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    Default Re: Advice needed from the diesel gurus

    Quote Originally Posted by jelo View Post
    Engines and more Koop meestal front cuts. Vir die Ander, het hulle harnasse met ECUs. Hulle is n pro setup. Dis nie n klomp engines op n pakhuise sement vloer nie.
    Dan is julle lucky. Hier rond is niemand wat ecu engine start nie. Miskien weet ek net nie hoe/waar om parte te koop.
    Vrywaring: Niks wat ek hier kwyt raak moet hoegenaamd as feite beskou word nie.

  17. #34
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    Default Re: Advice needed from the diesel gurus

    Quote Originally Posted by jelo View Post
    En probeer hier bo n workshop kry wat daai job doen Vir minder.
    Ek weer soos my gat gelees. Ek dog jy sÍ as mens sflf doen, nou sien ek jy sÍ as jy NIE alles self doen nie. Ek stem 100% sasm met jou daar. Jy gaan sukkel om iemand te kry wat dit gaan doen vir jou vir onder R40K
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  19. #35
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    Default Re: Advice needed from the diesel gurus

    Quote Originally Posted by Reenen View Post
    Ok. Resleeve and crank polish. R3500
    New pistons, rings. Bearings, gasket kit R7500
    Cylinderhead R?, donít know if need to be replaced.
    I had experience the same problem with a Pajero 2800 some years ago. Out of experience go and buy an import. You will need to exchange the oil sumps and whilst the sump is of you can have a look at the oil pump. Most probably you will need to service the diesel pump and get the diesel timing done by a specialist after installation. Thereafter the vehicle will be good for at least another 120 000 km. I have bought a rebuild from Mikes Place in Cape Town and had good service. One of the weaknesses of the 2800 engine is the cylinder head.

    Good luck

  20. #36
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    Default Re: Advice needed from the diesel gurus

    Quote Originally Posted by jfh View Post
    MPI can only be done on ferromagnetic material.
    Magnaflux/LPI it then...
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  21. #37
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    Default Re: Advice needed from the diesel gurus

    Reenen is 100% to the point,the car overheated due to welsh plug.
    the best solution overhaul complete engine it can cost just below
    R10 000

    Smega

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