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Thread: TD5 injector pocket crack.

  1. 2nd March 2021, 11:47 AM #1
    stewrat Guest

    TD5 injector pocket crack.

    I have a 2003 110 td5 with 190k on it. At the last service i took 9l of diesely oil from the sump. This happened on a previous truck about 15 years ago too at that time LRNZ did a replacement under warranty so I never got to see the crack. I replaced the Injector orings and washers in January as a first step. The oil continues to rise. I inspected the area closely around #1 pocket with the fuel pump in purge mode with the cam cover removed. I think I saw a teardrop of diesel around the "land" where the injector rests but I am not 100% certain it was diesel, I had new oil in the truck. Sunday past I pulled #1 injector to replace the seal again, in case I had been less than fastidious. I attach 3 images of the pocket with what I am fairly certain is a crack. Before I commit to Bringing an AMC head in from Turners UK I would appreciate anyone with previous experience comments on the images as to whether it is indeed a crack, or if it is a machining mark.
    IMG_6164.jpgIMG_6172.jpg
    Any and all advice welcome
    Stu
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  2. 5th March 2021, 07:38 PM #2
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    Discofender
    Discofender is offline Master Silver Subscriber
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    Remove the head and take it to any decent engineering shop for a dye penetrant test. That will show any cracks conclusively.
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  3. 5th March 2021, 08:21 PM #3
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    Tins
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    Quote Originally Posted by Discofender View Post
    Remove the head and take it to any decent engineering shop for a dye penetrant test. That will show any cracks conclusively.
    LOL, of course.

    Tipping the OP was hoping to avoid that. Sometimes there are alternatives.
    ​JayTee

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  4. 5th March 2021, 08:25 PM #4
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    Slunnie
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    Have a look for this also. This is mine, you can see the crack and the diesel wash in the spray area. I can see a crack in the bottom of your injector port. When I first checked, the crack in my head was not obvious, but it later became more obvious. This was the 2nd time I pulled the injector.

    unnamedannotatedresize.jpg
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~
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  5. 11th March 2021, 08:11 AM #5
    stewrat Guest
    Quote Originally Posted by Tins View Post
    LOL, of course.

    Tipping the OP was hoping to avoid that. Sometimes there are alternatives.
    Yes I was hoping to avoid the 300Km trip to a half decent Engineering shop, thanks all for your help.
    Stu
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