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

Oil in radiator/loss of oil pressure I/C'd motor

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Old Dec 24, 2011 | 10:24 PM
  #11  
BCOWANWHEELS's Avatar
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From: KINGSPORT, TN.
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sorry guys i dont mean to offend anybody and red rattler if diabeties is that big in your family please have your sugar checked at least a couple times a year as your inline for it, its hereditary and you need to catch it quick. also to o/p dont run your engine till you find the oil in water problem because if oil can get in water then antifreeze can get in oil and it will kill your rod & main bearings along with cam bearing. is oil milky looking ?
 
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Old Dec 25, 2011 | 07:55 AM
  #12  
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no the oil is black... that was the first thing i checked.....
 
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Old Dec 25, 2011 | 09:17 AM
  #13  
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Make sure to get the radiator and water jacket cleaned out good after you fix the oil cooler. Several daily flushes after running with a mild detergent solution will clean out the oil and prevent the inevitable overheating problems from a sludged up radiator.
 
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Old Dec 25, 2011 | 11:20 AM
  #14  
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Originally Posted by NadirPoint
Make sure to get the radiator and water jacket cleaned out good after you fix the oil cooler. Several daily flushes after running with a mild detergent solution will clean out the oil and prevent the inevitable overheating problems from a sludged up radiator.
this is true powdered dish washer soap and hot water (to dissolve it) try to stay avay from liquid soaps as they can tend to foam real bad
 
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Old Dec 25, 2011 | 08:04 PM
  #15  
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Alright guys... thanks for the info... he paid 900 for the truck... 4x4 auto with shift kit... ext cab.. 1992
 
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Old Dec 25, 2011 | 10:34 PM
  #16  
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Originally Posted by 1st_gen_puller
Alright guys... thanks for the info... he paid 900 for the truck... 4x4 auto with shift kit... ext cab.. 1992

sounds like a good buy
 
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Old Jan 16, 2012 | 10:13 PM
  #17  
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I just had the same problem with my truck. oil comming out of the radiator and overflow. do you think it could be the oil cooler or head gasket? if it is the oil cooler how much do they run and where can i find one at?
 
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Old Jan 18, 2012 | 11:01 AM
  #18  
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We still haven't bought an oil cooler... From my research its about 80% of the time oil cooler 20% head gasket/cracked head or block.. you could prob post in the quotes section and get a price on one...
 
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