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NC IA | I still vote antifreeze. Are there any stains on the underside of block in the #3 area? How’d the sleeves look for cavitation or the o rings? But yes I understand they are not known for that.
I know it’s not very possible in a combine, but in a tractor I like to pull the pan and pressure up the radiator to 15-20 psi before tearing them down. Like I said with a spun bearing I think almost every time it has been an internal coolant leak.
Edited by jalopy 12/11/2023 19:24
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Failure analysis in 8.3 Cummins/ CIH combine
