What would cause oil to get in the coolant of a 4.3 vortec? on 1998 Chevrolet S10

the most oil appears to be on the right side bank.

by in Amarillo, TX on April 15, 2013
2 answers 4 comments
ANSWER by on April 15, 2013
OIL IN COOLANT. Defective oil cooler, it's part of the radiator! Any coolant in oil?
COMMENT by on April 15, 2013
Does not appear to have coolant in the oil
COMMENT by on April 15, 2013
Oil and trans. coolers can be tested to confirm. Get your mechanic to check it for you.
COMMENT by on April 16, 2013
Thanks. I installed a new radiator before I noticed the oil in the coolant. I will get radiator checked. Is there anything else that could be the cause?
ANSWER by on April 16, 2013
maybe from old rad. flush system and see if it comes back. could also be leaking intake gasket
COMMENT by on April 18, 2013
Thanks for info

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