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Thread: 300tdi exhaust manifold

  1. 25th August 2021, 08:24 AM #1
    incisor's Avatar
    incisor
    incisor is offline SysAdmin (Owner) Vendor
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    300tdi exhaust manifold

    are the discovery and defender 300tdi exhaust manifolds the same ?

    i keep blowing exhaust manifold gaskets and am looking to replace the manifolds and maybe the turbo cartridge

    and am not sure if they are the same ( i cannot look at my disco one as it is 3 hours from here ..)


    TIA
    2007 Discovery 3 SE7 TDV6 2.7
    2012 SZ Territory TX 2.7 TDCi

    "Make the lie big, make it simple, keep saying it, and eventually they will believe it." -- a warning from Adolf Hitler
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  2. 25th August 2021, 09:21 AM #2
    AK83
    AK83 is offline TopicToaster Supporter
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    Quote Originally Posted by incisor View Post
    are the discovery and defender 300tdi exhaust manifolds the same ?

    ....
    same part number .. ERR3785.

    Do you have any idea why it keeps blowing?
    Mine has blown once(up near the front exhaust port).
    When removed it looked different to the replacement I got for it.

    The one on there(no idea who and when it was installed) had a flat looking face.
    The one I'd bought had a raised section of ports. A bit confusing at first, and with limited experience back then of 300 tdi details ... it made sense to install it with the raised sections facing the manifolds(not the head).

    That was near on 100K klms ago. I assume it's still fine as it don't sound leaky.

    EDIT: had a quick peek, and it seems the LR OE part(ERR3785) is supposedly a Victor Reinz manufactured part.
    Found the VR catalog and they list their own part number for it as 71-35509-00 but also refer this part back to the LR part number too.
    Arthur.

    All these discos are giving me a heart attack!

    '99 D1 300Tdi Auto ( now sold :( )
    '03 D2 Td5 Auto
    '03 D2a Td5 Auto
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  3. 25th August 2021, 11:05 AM #3
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    incisor
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    Quote Originally Posted by AK83 View Post

    EDIT: had a quick peek, and it seems the LR OE part(ERR3785) is supposedly a Victor Reinz manufactured part.
    Found the VR catalog and they list their own part number for it as 71-35509-00 but also refer this part back to the LR part number too.
    i have now blown 2 of those ones in 1000klms

    i really have no idea why it is blowing at present

    first one blew at the back, so replaced it with a vr you quoted above

    it blew at the front

    so replaced with another vr and i have yet to disassemble to see where it is blown but it appears to be in the center, but cannot confirm

    will pull it all apart next week when i get a chance

    need to keep my distance from it at the moment as i am livid...

    BWLL
    2007 Discovery 3 SE7 TDV6 2.7
    2012 SZ Territory TX 2.7 TDCi

    "Make the lie big, make it simple, keep saying it, and eventually they will believe it." -- a warning from Adolf Hitler
    "If you don't have a sense of humour, you probably don't have any sense at all!" -- a wise observation by someone else
    'If everyone colludes in believing that war is the norm, nobody will recognize the imperative of peace." -- Anne Deveson
    “What you leave behind is not what is engraved in stone monuments, but what is woven into the lives of others.” - Pericles
    "We can ignore reality, but we cannot ignore the consequences of ignoring reality.” – Ayn Rand
    "The happiness of your life depends upon the quality of your thoughts." Marcus Aurelius
    Reply With Quote Reply With Quote
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