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-   -   Help with soft plugs (Yet more fun) (https://67-72chevytrucks.com/vboard/showthread.php?t=17550)

Truckboy 07-05-2002 04:12 PM

Help with soft plugs (Yet more fun)
 
Okay, so I finally got a transmission in my '72 3/4 ton. It works and everything. Problem is when I put water back in the radiator, it ran out as fast as it went in!!! Apparently, the front plug on the drivers side is out. How does one go about replacing that thing. (I'm fairly mechanically challenged) I have a floor jack, jack stands and a pretty fair supply of wrenches. Is it something I can do at home, or should I pay a pro to do it. Thanks in advance.
Mark

oldyeller 07-05-2002 09:33 PM

you talking about the freeze plugs in the block below the heads, in the motor mount vicinity?

ebfabman 07-05-2002 09:53 PM

If you are talking about freeze plugs, I sure would not want to discourage you because this is not a real hard job but you might be better off to get some help on this one. Like maybe have an experienced mechanic replace them for you. I've seen them fall out and it always seems to happen at the worst time.

Do you know a mechanic or someone that has done it before that can do it while you watch or help you?

jlmtrout 07-06-2002 05:44 PM

I don't know if they are still available or not, but they used to make an expansion-type that have a rubber donut in them with a bolt in the center. As you tighten the bolt, the donut expands for a tight seal. I got mine from Auto Zone several years ago, had to ask for them at parts counter. If not, try to find a length of pipe and a pipe cap that fit the freeze plug as snugly as possible and drive it in with a hammer. (Don't get too happy with the hammer and drive it in too far, the edges should be flush with the outside of the block). Dig the old one out with a screwdriver or similar device and clean the opening before installation. If you use the drive in type, use a good waterproof gasket sealer. Good luck and keep on truckin'!--------Jerry

Longhorn Man 07-06-2002 05:52 PM

A socket on an extention works well too. you won't be pounding them very hard.

Truckboy 07-07-2002 08:22 PM

Thanks
 
Thanks for the info. I'm gonna try it sometime this week. It actually rained here today. Again, thanks.
Mark


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