[AT] Engine Overheating

[Robert L. Holtzer]

On 7/26/2011 12:58 PM, Ben Wagner wrote:
> Hi,
>
> I'm suspecting that my Farmall A is running very hot.  The coolant boils
> even after running the engine for 10 minutes, and the block can burn an
> unsuspecting hand.  I can run my Super A for the same amount of time, but
> the A is much hotter afterwards.  Part could be the engine, I know, but I'm
> also wondering if there isn't built-up deposits inside the engine that
> blocks the coolant flow.  This is a thermosyphon system.
>
> Is there any way to clean the cooling system in the block without taking the
> engine apart?
>
> Thanks!
>
> Ben Wagner
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I bought an F-12 that had a cracked block "repaired".  Found lots of 
stop leak in the water jacket -- big chunks that could float around 
obstructing cooling passages.

Bob Holtzer