New problem on the 1947 Cub

old · Apr 24, 2021

I was out putting in an in line shut of valve for the lawn mower tank and noticed what appears to be coolant all long the bottom of the radiator. Pulled the cap off and it was low compared to what it was when I parked it yesterday. Guess maybe the bottom radiator gasket leaks a bit so I'll be putting in some stop leak and see if that helps. Oh well I guess something this old has the right to leak a bit here and there

grandpa Love · Apr 24, 2021

Hey Old, don't use stop leak. Cub ain't got a water pump. All the stop leak settles to the bottom of the front bolster. Most likely will never circulate enough to do any good. Radiator gasket is cheap. Or easy to make out of cork. Unfortunately it requires taking out 20+ bolts.....

old · Apr 24, 2021

I used stop leak on my BA years ago and have had no problems and it to doesn't have a water pump. The key is to get it warm then add the stop leak so it flows around before it settles to the bottom and does it job

Moonlite37 · Apr 24, 2021

And those 1/4 x 20 screws are prone to twisting off, but are easy to get out

old · Apr 24, 2021

That is another reason I'll try the stop leak first and take a $10 gamble

4520BW · Apr 24, 2021

I have good look with plain ol ground black pepper.

super99 · Apr 24, 2021

I'm not a gambler, I'd save the $10 and just put black pepper in it, it works.

41B-boy · Apr 24, 2021

I'm about that old, and I leak a bit here and there too!

Fr. Bob

fixerupper · Apr 24, 2021

I will third the black pepper idea. It worked for a few years on our B until I finally broke down and had it fixed.

old · Apr 24, 2021

NEVER had pepper work but have had very good luck with Bars-Leak copper

Absent Minded Farmer · Apr 25, 2021

Pepper did a great job in my Model A to seal the radiator up & get me home from the car show. Left it that way for about a month before taking the rad in for repairs. Don't know how long the fix would last, but it's good if you're in a pinch. Also, it was very common for those Cubs to have the casting crack that the rad is bolted to. May want to inspect that should you take it apart.

Mike

Papaw8 · Apr 26, 2021

Time for some horse manure in the radiator

New problem on the 1947 Cub

old

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grandpa Love

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old

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Moonlite37

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old

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4520BW

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super99

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fixerupper

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