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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

D-7 cooling system

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0zzie

04-04-2008 02:46:05




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Need some help guys.Have a D-7 48 A pukes coolant out of weep hole in water pump replaced water pump still does it.The thing is if I get it running and keep it running it doesnt seem to do it,but run it for a while then let it idle for 10-15 minutes and go back to work it pukes coolant out weep hole.Coolant pressure gage shows hi pressure, not geeting coolant in crankcase.Any help would be very much appreciated.

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Bob/Ont

04-04-2008 17:13:22




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 Re: D-7 cooling system in reply to 0zzie, 04-04-2008 02:46:05  
Make sure your pressure relief valve is working. Under raised round cover top center of rad tank. Pressure should blow coolant out there before making pump leak. I have had problems with those rebuilt pumps if they don't put sealant around the seal when installing it.
Later Bob



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