1999 gmc suburban 1500 4wd

Asked by Jun 08, 2017 at 09:37 PM about the 1999 GMC Suburban K1500 4WD

Question type: Maintenance & Repair

My oil is goin into my radiator
What does that mean?

2 Answers

86,345

Engine oil in the coolant is a bad head gasket.

21,115

Unless you have a oil cooler in your radiator leaking, see if you have oil lines other than auto trans lines running to radiator too.

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