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Thread: 3 litre inlet manifold crack problems

  1. #171
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    Quote Originally Posted by DiscoJeffster View Post
    It’s not that. If you can’t smoke test it yourself then do this. Get some A4 paper and place three sheets. One each above the manifolds and one above the throttle body. Place the cover back on over the paper. Take it for a good hard drive. Remove cover and check for and oil spray on the paper. You should have found the culprit.
    Thanks mate. Hmm I just fitted that new breather line and it seems to have come good? Iidtool no faults, gave it stick too. I'm still not 100% confident though.

  2. #172
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    Quote Originally Posted by southseas View Post
    Thanks mate. Hmm I just fitted that new breather line and it seems to have come good? Iidtool no faults, gave it stick too. I'm still not 100% confident though.
    Give it a week. Those hoses fail on all cars and don’t generally cause a fault. They rot away.
    2010 TDV6 3.0L Discovery 4 HSE
    2007 Audi RS4 (B7)

  3. #173
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    Quote Originally Posted by DiscoJeffster View Post
    Give it a week. Those hoses fail on all cars and don’t generally cause a fault. They rot away.
    Didn't have to wait that long! Came on then. Bugger

  4. #174
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    Quote Originally Posted by southseas View Post
    Didn't have to wait that long! Came on then. Bugger
    Don’t say I didn’t tell you so. Now go and try my trick and we can go from there.
    2010 TDV6 3.0L Discovery 4 HSE
    2007 Audi RS4 (B7)

  5. #175
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    Quote Originally Posted by DiscoJeffster View Post
    Don’t say I didn’t tell you so. Now go and try my trick and we can go from there.
    Hope is a dangerous thing. Will be in at Tickel's next week!

  6. #176
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    You don't need to smoke test it, the black crud that seeps out of the crack is very obvious, look under the engine cover, its likely to be black as well.
    Obviously when it fault codes thats a clue as well.

    Just as a side note, I have seen the cheap alibaba ones (i think for $130 a pair) pretty thin and hollow, apparently only lasted 10K before splitting again

    While I'm no genuine fan boi, the genuine ones are the go, so at least you get what? another 100K

    P.S the thin breather lines that T piece in the centre of the engine can be deleted and blanked off as the new manifold does not have a through hole.
    Regards
    Daz


  7. #177
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    Quote Originally Posted by DazzaTD5 View Post
    You don't need to smoke test it, the black crud that seeps out of the crack is very obvious, look under the engine cover, its likely to be black as well.
    Obviously when it fault codes thats a clue as well.

    Just as a side note, I have seen the cheap alibaba ones (i think for $130 a pair) pretty thin and hollow, apparently only lasted 10K before splitting again

    While I'm no genuine fan boi, the genuine ones are the go, so at least you get what? another 100K

    P.S the thin breather lines that T piece in the centre of the engine can be deleted and blanked off as the new manifold does not have a through hole.
    Thanks mate, good info - spewing i paid the 100 for the breather now! I'm going to get both done (genuine). $$$$$ but long term gain! this is at 160k km.

  8. #178
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    Split manifold?

    120k RRS. I have read the threads but seeking a sanity check. Restricted performance, loss of power starting at 1800 RPM and a whooshing noise that certainly sounds like compressed air.
    IIDTool fails to scan faults on the latest version of Android out this week so I can't even try out the advanced fault settings

    Oil traces seem to suggest split manifold or is there something else I can check?

    Thanks




    PXL_20220910_061037068.MP.jpg

  9. #179
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    Quote Originally Posted by ontheway View Post
    120k RRS. I have read the threads but seeking a sanity check. Restricted performance, loss of power starting at 1800 RPM and a whooshing noise that certainly sounds like compressed air.
    IIDTool fails to scan faults on the latest version of Android out this week so I can't even try out the advanced fault settings

    Oil traces seem to suggest split manifold or is there something else I can check?

    Thanks




    PXL_20220910_061037068.MP.jpg
    Yup, spilt manifold

  10. #180
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    Split manifold temporary repair

    Hi all, I just wanted to update this thread as it has been an excellent source of information, and it helped me quickly diagnose my split manifold.

    I’m currently travelling from Cairns to Brisbane, towing a big van. I’ve got a 2012 SDV6 RRS. 100km out of Townsville I get the restricted performance light. Pushed on at 70km/h to Townsville. By the time we got there the whooshing sound was louder, and the orange engine light had also come on.

    It was a Sunday, so no mechanics open, so went to SuperCheap and picked up a code reader. Confirmed the P006A code, and started searching this forum, leading me to this post. Went straight to the offending area and confirmed the crack.

    Not wanting to be stranded in Townsville over Christmas I decided to try a temporary repair. I removed the fuel lines to get better access to the crack, then cleaned the area using plumbers pipe cleaner. I covered the crack with an epoxy resin, the 5min set time variety with a 3500psi rating. Not pretty, but it worked.

    That repair got us to Bowen, but the epoxy resin was brittle, and cracked through. I chipped it off, recleaned and sanded the area, and reapplied the epoxy, but this time I added some fibreglass cloth for strength. That did the trick, and got us back to Brisbane. I’m now looking at doing a full repair of both manifolds, and will also cover off all the hoses and plastics while I’m at it.

    Anyone know if a good indie in Brisbane?

    Cheers

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