Oil in coolant reservoir?

Slicker · Feb 24, 2019

Sorry for the thread resurrection, but do you think there oil in my coolant?

Before flushing:

After flushing with distilled water / vinegar:

Slicker · Feb 25, 2019

Here's my radiator cap residue. Any thoughts?

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Pulse · Feb 25, 2019

Yes, thats oil in there...

Slicker · Feb 28, 2019

Pulse said:
Yes, thats oil in there...

That's my possible thinking, but the oil level remains very high and has done for a while now.

Could it be corrosion from the upper radiator?

Tyler1199 · Apr 12, 2019

Doesn't take much oil to contaminate the coolant. Prolly not enough to notice an oil level drop. Like i said mine was the exchanger. Easy fix.