2004 Jeep TJ Oily residue in radiator (overflow)

2004 JEEP WRANGLER TJ
71,000 MILES • 6 CYL • 4WD • MANUAL
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TMINIMAC
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Just discovered an oil/oily residue in my radiator overflow tank. I had the oil changed last week and they informed me that the oil that they drained did not any water/anti freeze in it. What could be the cause of my oily radiator?
Jul 26, 2009 at 7:35 PM
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MHPAUTOS
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Hi there,

Keep an eye on the oil & coolant, do a coolant flush with a cleaning agent to try and remove as much oil residue as possible, if this continues you may have a head or gasket problem developing.

Mark (mhpautos)
Jul 26, 2009 at 11:56 PM