1999 Chevy Suburban DO I NEED A NEW RADIATOR????

167,000 MILES • V8 • 4WD • AUTOMATIC
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STARCUSTOMCYCLES
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I have 1999 Suburban 4X4, 5.7 liter. I found oil in my coolant overflow tank, what is this?
Nov 8, 2008 at 11:46 PM
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BLACKOP555
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i would like you to check the compression on all cylinders to make sure if its headgasket/head related or something unrelated.
Nov 9, 2008 at 12:03 AM
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STARCUSTOMCYCLES
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Thanks, I'm not able to do that as of now... I can tell you that it runs perfect, no hesitation, no over heating. How I found out about the mix is I took took into a local shop to have the oil changed and they told me that inside the radiator the oil cooler line had ruptured and told me to fix the problem it would need a new radiator ($1000) I continued to drive it for work putting over 1200 miles and still no overheating, not even an engine light... I did buy a new radiator and installed it yesterday, but I wanted to find out if its anything other than that, like I said it runs excellent
Nov 9, 2008 at 12:23 AM
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BLACKOP555
  • ✓Experienced Mechanic
  • 10,386 POSTS
to me it sounds like your issue was due to the radiator and you should have nothign to worry about, if it starts mixing again let me know.
Nov 11, 2008 at 10:34 PM
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