Ford 83-94 6.9 and 7.3L General Discussion of 83-94 6.9 and 7.3 Liter Ford Diesels

6.9 overheating

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  #1  
Old 02-20-2013, 04:21 PM
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Default 6.9 overheating

My 87 6.9 never ran hot untill the radiator froze it thawed before I started it now it shows hot on guage and water does not appear to circulate. I'm new to diesels and would appreciate any help
 
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Old 02-20-2013, 07:46 PM
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Could have damaged the water pump or a bobble formed somewhere in the system and water won't move. But on that I'm not sure.
 
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Old 02-20-2013, 10:02 PM
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Probly sheared the impeller off the WP.
 
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Old 02-21-2013, 02:51 PM
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I'm going to pull heater hose today and check pump I really hope I don't have to change the pump as it sounds like a pain in the #$%%

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I thought I might add I did not start untill after it had thawed for several weeks if that changes anything.

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I tried pulling heater hose and turning over engine no water movement so I guess the pump is gone. But it is original pump so I guess it is time anyway. I a little worried about getting fan off of pump, it is left handed threads isn't it
 

Last edited by bratleediamond; 02-21-2013 at 02:51 PM. Reason: Automerged Doublepost
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Old 06-22-2013, 10:18 PM
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Just buy a new radiator
 
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