2007 GMC Acadia motor oil

2007 GMC ACADIA
175,300 MILES • 6 CYL • AUTOMATIC
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AIDAGVILLAGOMEZ
  • MEMBER
  • 1 POST
On the oil cap if you see in side of it there's yellow stuff, someone told me that it's(motor) got moisture in side it's that true and if so what do I have to check for?
Jan 4, 2015 at 12:34 PM
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CADIEMAN
  • ✓Experienced Mechanic
  • 3,544 POSTS
coolant IS LEAKING FROM THE HEAD GASKET
IT WILL NEED TO BE REPLACED
Jan 4, 2015 at 3:08 PM
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