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+--- Thread: oil in my radiator Reservoir (/showthread.php?tid=1404)
RE: oil in my radiator Reservoir - DKenworth - 02-19-2017
I had same problem on my 2006 cummings isx, i changed oil cooler and that fix my problem. Make sure you change oil termostat at the same time.
RE: oil in my radiator Reservoir - gearhead - 02-19-2017
Caterpillar uses cascade dishwasher because it cuts oil but doesn't bubble.