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Thread: Radiator Drain Plug

  1. #1
    Join Date
    Jan 2013
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    Molesworth,Tasmania
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    Radiator Drain Plug

    Has anyone replaced the radiator drain plug with a new one (part 569047) ?


    While I was putting in a thermostat , I wanted to replace the existing plug as it was a bugger to get off - bought the new part and it doesn't fit?! I'm possibly having a moment as I cant see any other option available - but just in case I need some kind of adaptor - thought I'd ask. As far as I can tell the radiators a kosher Land Rover job. Put it all back together with the old plug and put a flush through it and now at least I have a gauge that tells me somethings warm!
    cheers,
    D
    Attached Images Attached Images
    1957 88 Petrol (Chumlee)
    1960 88 Petrol (Darwin)
    1975 88 Diesel (Mutley)

  2. #2
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    Jan 2013
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    Molesworth,Tasmania
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    further

    I just emptied the flush so put the old and the new together for a comparison. Around 9mm - v - 12mm apprx.
    cheers,
    D
    Attached Images Attached Images
    1957 88 Petrol (Chumlee)
    1960 88 Petrol (Darwin)
    1975 88 Diesel (Mutley)

  3. #3
    Join Date
    Jan 1970
    Location
    Irymple, Victoria, Australia
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    If the old one measure 9mm OD it is probably 1/8th BSP and the one the have given you might be 1/4 BSP if it measure around 12mm.
    Just try a local plumbing shop for a fitting to do the job.
    Just be aware there are both tapered and straight (parallel) fittings in BSP. Tapered seals via the thread, parallel will need a washer or o'ring to seal.
    Link to a BSP thread chart here.


    Pipe Threads for Tubes and Fittings where Pressuretight joints are made on the Threads - BS 21


    Hope this helps.
    Good luck.
    Cheers, Mick.
    1974 S3 88 Holden 186.
    1971 S2A 88
    1971 S2A 109 6 cyl. tray back.
    1964 S2A 88 "Starfire Four" engine!
    1972 S3 88 x 2
    1959 S2 88 ARN 111-014
    1959 S2 88 ARN 111-556
    1988 Perentie 110 FFR ARN 48-728 steering now KLR PAS!
    REMLR 88
    1969 BSA Bantam B175

  4. #4
    Join Date
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    beautiful Mick - thanks again.


    cheers,
    D
    1957 88 Petrol (Chumlee)
    1960 88 Petrol (Darwin)
    1975 88 Diesel (Mutley)

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