1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

Coolant Leak

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Old Sep 17, 2008 | 02:20 PM
  #1  
Dieseldog92's Avatar
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Default Coolant Leak

I have a 92 1 ton and i have been having a coolant leak and can't seem to trace it to the problem. After sitting over night there is a small puddle under the truck and its not the radiator or the hoses. It drips down from above the ac compressor and the compressor is always wet. The truck is not running hot by any means but i live in oklahoma and it wont be too much longer before it gets cold and i will have to replace the water with antifreeze and that will become a more exspensive leak. any help?
 
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Old Sep 17, 2008 | 03:17 PM
  #2  
wildbill's Avatar
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From: Billlings, MT
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Water pump is in the vicinity. Sounds like it's time for a new one.
 
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Old Sep 17, 2008 | 09:04 PM
  #3  
welderboy250's Avatar
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From: Newburg, PA
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i know u said it isnt the hoses but u may wanna take another look cause the lower rad hose connects just above the AC pump. and above that is the thermostat housing, could be leakin there. other than that, like bill said, water pump. dont be alarmed. if u know how to properly operate a wrench u can change it and it should be less than a hundred bucks.
 
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Old Sep 17, 2008 | 09:06 PM
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Whit's Avatar
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From: Why-homing
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I would bet water pump too............the fan will get hold of the glycol dripping and mover em around bad....hard tellin were it will drip from
 
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Old Dec 14, 2008 | 12:02 PM
  #5  
cummins by birth's Avatar
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yea check all hoses good and water pump and all, if its just a small leak...get u a bottle of DIKE it wont stop anything up but it will find and seal small cracks every time, cracked heads, head gaskets, hoses, heater cores...the works
 
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