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Looks like oil starting to mix with coolant

Tiny
AMARKSHOTO
  • MEMBER
  • GMC
I have a 1997 S10 Blazer 4.3 v6 I notice a small
leak two or 3 days ago that looks like water pump
but the bigger concern is it looks like oil is mixing with
the coolent in the radiator like a cream tan color mixing in, but I check the oil it seems ok a liitle dark
but I think thats just normal needs a oil change
I'm not sure about what it could be, maybe oil cooler is bad, built into radiator or worse it could be the
head gaskets, anyway any help would be great

thanks
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Sunday, February 12th, 2006 AT 12:25 PM

2 Replies

Tiny
MVANNESSJR
  • MECHANIC
  • 223 POSTS
I'd invest in some Bar stop leak. It's about $4.00 I think but you will want to get the right kind. Alluminum radiator, alluminum stop leak, etc.

It helps seal small leaks. If the leak is too large you may need a new radiator. Do an oil change soon for sure, possibly a coolant flush to get the oil out of the radiator as well.
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Sunday, February 12th, 2006 AT 1:10 PM
Tiny
CACTUSMAN
  • MEMBER
  • 9 POSTS
I had something similar - intake manifold gasket was shot. Coolant was leaking onto the street very slowly - noticed drips every now and then. What was the clincher was the dark brown color of the coolant. Have this checked out - it can save your engine.
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Wednesday, February 15th, 2006 AT 4:00 PM

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