[AT] Q. for JD "experts"--or anyone.

Robert L. Holtzer rholtzer at earthlink.net
Wed Mar 9 20:27:27 PST 2005


John, I've not seen one of these pumps -- but could the pump be sucking in 
air around the shaft seal?

Bob Holtzer

At 07:45 PM 3/9/2005 -0800, you wrote:
>Why would a good-running JD A start frothing at the mouth?  After about 
>10-15 min. of warming up an an easy idle the coolant starts foaming out 
>from underneith the radiator cap (running over).  Looks like there's air 
>getting in the cooling system.....from where?  This tractor has the 
>waterpump.  There is no sign of water in the oil or other exterior coolant 
>leaks.     Pulled the head and the head gasket looks OK.  The cylinders 
>look OK too.       ????      John Wilkens
>
>                    In the wide-open spaces of NE Oregon
>
>
>
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