1989 Other Mercedes Benz Models oil

1989 MERCEDES BENZ
240,000 MILES • 6 CYL • FWD • AUTOMATIC
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RDORM12
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  • 1 POST
Found oil in coolant expansion tank. What might be causing this problem?
Apr 27, 2008 at 4:17 PM
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MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
Hi there, as your model should have a separate trans cooler, it must be engine oil. If this is just started you may have a head problem starting,flush the coolant and check for any coolant in the oil, and at this stage just see if it continues, if so, the head will have to come off.

Mark (mhpautos)
Apr 27, 2008 at 6:16 PM
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