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Gooey paste mixture in radiator

Tiny
DRAMELL
  • MEMBER
  • 2002 SATURN L300
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 125,000 MILES
My oil cool had a hole in, the oil got into the coolants mixed and made a gooey mixture much like pancake batter but not water soluble. Please, what will dissolve that mess? I am have tried a quart of radiator flush. Not much help, I keep flushing but it just does not come clean.

Mike in CA
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Saturday, September 9th, 2017 AT 11:43 AM

4 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Dawn dish soap. I know it sounds strange but Dawn cuts grease out of your way like the commercial says.
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Saturday, September 9th, 2017 AT 12:33 PM
Tiny
STEVE W.
  • MECHANIC
  • 13,452 POSTS
Yup, beats just about any of the "radiator flush" stuff sold in parts stores. Run the engine until it is warm, pour in about a half cup of Dawn. Then run it until it is up to full temperature. Let it cool down and then heat cycle it again. Drain out the mess. Do it again and then flush it with clear water. Should come out clear now. Refill with 50/50 mix and enjoy.
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Saturday, September 9th, 2017 AT 6:47 PM
Tiny
DRAMELL
  • MEMBER
  • 2 POSTS
Thanks so much guys. In the morning I will get the Dawn and get it clean.
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Saturday, September 9th, 2017 AT 7:40 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Also, after your done flushing make sure you change all the hoses thermostat coolant bottle etc.
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Sunday, September 10th, 2017 AT 3:45 PM

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