possible cracked block

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  • Zimbos
    Low Range
    • Jul 2013
    • 90

    possible cracked block

    bummed out this morning ,took the kids to school this morning after a 30 degree night , when I got home I was leaking radiator fluid , the location is on the side of the block next to the starter motor in a circular area about 2 inch diameter , there is 3 of them circular forms on the block ,the leak is the one right up against the starter motor
    any thoughts
  • o2batsea
    Overdrive
    • Oct 2006
    • 1199

    #2
    from your description it would seem to be coming from one of the casting plugs (aka "freeze plugs") They are a pain in the butt to repair in the vehicle, but it can be done. It's about a 3 dollar part. You have to knock out the old one, clean and dry the area and push in a new one that's been permatex'd.

    Now that I think about it, I believe there are temporary repair ones you can get that are made of rubber. They have a bolt in the middle and a nut on the outside. You tighten the nut, it expands the rubber and seals the hole.

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    • Zimbos
      Low Range
      • Jul 2013
      • 90

      #3
      thank you , it was the freeze plug behind the starter motor , I removed the starter and was able to get it out all in about an hour ,waiting on the new one from our host , thanks to all

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      • SafeAirOne
        Overdrive
        • Apr 2008
        • 3435

        #4
        Not sure if the plug just rusted away or it was actually forced out by ice, but I'd recommend making sure your anti-freeze/coolant is up to snuff, lest you have to buy a new engine.
        --Mark

        1973 SIII 109 RHD 2.5NA Diesel

        0-54mph in just under 11.5 minutes
        (9.7 minutes now that she's a 3-door).

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