Oil in Coolant???? - Page 2 - Diesel Truck Forum - TheDieselGarage.com
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post #11 of 15 (permalink) Old 07-30-2007, 08:29 PM Thread Starter
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Would there be any external signs of the oil cooler being the culprit besides oil in the coolant, or is it all internal?
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post #12 of 15 (permalink) Old 07-30-2007, 11:25 PM
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it could be leaking oil or coolant externally but most likely it's just leaking internally.

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post #13 of 15 (permalink) Old 07-31-2007, 02:08 PM
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GTS I have seen inj cups leak at the bottom edge leaking coolant into the cylinder when shut off allowing coolant to seep past rings into pan .. this of course is usually joined by an overheat issue from compression getting into the coolant when running.


as for the cooler leakiing externally they can leak oil externally from the orings at the heads or leak oil or coolant from mounting gaskets if it is blown internally or the oring is bad coolant wont leak externally it will just let oil into the cooling system

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post #14 of 15 (permalink) Old 07-31-2007, 06:13 PM
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Quote:
Originally Posted by Docluv2577
GTS I have seen inj cups leak at the bottom edge leaking coolant into the cylinder when shut off allowing coolant to seep past rings into pan .. this of course is usually joined by an overheat issue from compression getting into the coolant when running.


as for the cooler leakiing externally they can leak oil externally from the orings at the heads or leak oil or coolant from mounting gaskets if it is blown internally or the oring is bad coolant wont leak externally it will just let oil into the cooling system

Correct on all accounts. I said you can't get oil in the coolant from the injector cups. You can get coolant in the oil as you described though.

'96 F-250 Extended Cab, GT'S injectors, GT'S intercooler install kit, custom turbo kit with a little HX40, Swamp's BIGEST oil.
466 on #2 only
739 with NČO

13.544 in 1/4 mi!

"If you think you can do a thing or think you can't do a thing, you're right." Henry Ford

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post #15 of 15 (permalink) Old 07-31-2007, 11:41 PM
 
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If you are careful you can pull the cooler assembly out of the truck to the rear (towards the cab) without pull the motor mounts. It's a bit of a tight fit, but it can be done.
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