Got a leak

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Model T Ford Forum: Forum 2012: Got a leak
Top of pagePrevious messageNext messageBottom of page Link to this message  By William L Vanderburg on Sunday, April 22, 2012 - 11:11 pm:

I've got a small weep leak at the number 1 cylinder on the driver side water jacket on the engine I replaced in my 25 Touring. I am exploring my options. It hasn't been there long.


Top of pagePrevious messageNext messageBottom of page Link to this message  By William L Vanderburg on Monday, April 23, 2012 - 04:58 pm:

I've determined it's a really tiny hole on the bottom of the water jacket.

I've emptied the system, and every time I touch it, it cries.

Like I said, it has not been there long


Top of pagePrevious messageNext messageBottom of page Link to this message  By David Dare - Victoria Australia on Monday, April 23, 2012 - 05:53 pm:

Sound like a freeze crack, pretty common, there is a posting recently on various types of repairs, ranging from JB Weld to Soldering.
Hope this helps

David.


Top of pagePrevious messageNext messageBottom of page Link to this message  By William L Vanderburg on Monday, April 23, 2012 - 08:59 pm:

How long can it be driven with a tiny weep like that?


Top of pagePrevious messageNext messageBottom of page Link to this message  By James Michael Rogers on Monday, April 23, 2012 - 10:07 pm:

Forever if you seal it with some JB weld or just keep water in it.


Top of pagePrevious messageNext messageBottom of page Link to this message  By James Michael Rogers on Monday, April 23, 2012 - 10:10 pm:

I have done engines and have them in the run in stand and have a slight leak. I just clean it off with lacquer thinner and use JB weld to seal it and repaint it after I pressure check it. If it will hold at 20# after it dries, it will last as long as any other part.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Royce in Dallas TX on Tuesday, April 24, 2012 - 06:49 am:

If you use plain water with no anti freeze it will ruin any block, and of course the radiator. The whole water jacket will rust out from the inside out. I just repaired a 1910 open valve block that this had happened to. Be sure, what ever you do, be smart enough to use at least 50/50 anti freeze and water so it doesn't happen again.


Top of pagePrevious messageNext messageBottom of page Link to this message  By James Michael Rogers on Tuesday, April 24, 2012 - 06:58 am:

Royce, you don't have to use antifreeze if you just add some water pump lube. The lube is actually water soluble oil like used in lathes and mills to lubricate while being machined and to resist rust afterwards.


Top of pagePrevious messageNext messageBottom of page Link to this message  By George_Cherry Hill NJ on Tuesday, April 24, 2012 - 07:39 am:

Will...

Post a pic...it might help in informing you the best way to salvage what you have, even in the car.

Sometimes these things are evidence of a hard life and 'swiss cheese', other times just an isolated crack due to a core shift thin wall and the fact the iron wasn't 'aged' before use.

I'd first try a simple fix in the car....nothing to lose and the fix just may be OK. If it were me, I'd drill out the ends of the crack as it will stop the crack from 'growing' if it isn't 'swiss cheese' and from there a number of things could be tried for the crack itself...from JB Weld, to 'plugging' with threaded copper rod, to even what is called a 'rust seal' (which most don't care to use but I have had great success with on heads that develop backbone splits).

Post a pic...might allow insight into the easiest fix to keep you going.....If it is 'just a tiny hole' then it just may need a 'tiny fix' :-)


Top of pagePrevious messageNext messageBottom of page Link to this message  By Royce in Dallas TX on Tuesday, April 24, 2012 - 08:39 am:

Actually water pump lube won't prevent rust. It is is of no use for that purpose. Don't fool yourself. Also, William lives in New Jersey where it can freeze during about half the year.

There is no reason not to use anti freeze. There many good reasons not to use straight water.


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