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V8 block water jacket drain plugs

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  • ROADRACELARK
    replied
    Alan is correct. Also be prepared to make a big mess[xx(]. This stuff is as nasty as the worst creek mud you've ever seen. What ever it gets on, it won't come off of or out of.. wear "throw-away" clothing or a rain suit[xx(]. Once the plugs are out, you'll need a coat hanger, straighten it out and push it in the plug hole, wiggle it around. Watch out... more creek mud. I have a old refrigerator ice-maker water supply line with a hose type connector and a 2ft length of 3/16 copper tubing. With a right angle bend in the end, you can feed it in the hole, turn the water supply on and as before... more creek mud. After you feel that it is pretty clean, you may need a 3/8 pipe tap to "chase" the threads for the new pipe plugs. (use brass, they won't corode and will come out easy next time). Now is the time for a close inspection of those "freeze plugs". If any are leaking, replace them ALL. You don't want to be stranded on the side of the road when the ONE you DIDN'T replace desides to let go. You can use the brass knock in replacements, or the COPPER ones with the nut in the center. They're made by Dorman Co. Hope this helps
    Dan

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  • Roscomacaw
    replied
    Be prepared to have next to nothing pour out when you remove them. All the "crud" settles to that part of the cooling system over time and this can even cause a hot spot back there.[}]

    Miscreant at large.

    1957 Transtar 1/2ton
    1960 Larkvertible V8
    1958 Provincial wagon
    1953 Commander coupe
    1957 President 2-dr
    1955 President State
    1951 Champion Biz cpe
    1963 Daytona project FS

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  • ivorydan
    replied
    Thanks!
    quote:Originally posted by Alan

    8 point 1/2" drive socket and an inpact wrench. They just come right out.

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  • Alan
    replied
    8 point 1/2" drive socket and an inpact wrench. They just come right out.

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  • GTtim
    replied
    Open end wrench (1/2 in.?) and a little bit of luck, then channel-lock, then vise grips or plumbers wrench, then drill them out. I think you have to take the starter off to get at the drivers side.
    Good luck.


    Tim K.
    '64 R2 GT Hawk

    Leave a comment:


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    Guest started a topic V8 block water jacket drain plugs

    V8 block water jacket drain plugs

    Time to replace the antifreeze. Whats the simplest way (correct size socket and extensions) to get those two four-sided water jacket drain plugs out of the block? Six point sockets? From above or below?If they are not removed, then only half the coolant drains out thru the radiator. Once upon a time I used to know how to do this.
    Thanks for all help!
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