1996 Ford Thunderbird Black on overflow tank

1996 FORD THUNDERBIRD
186,000 MILES • 6 CYL • 2WD • AUTOMATIC
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PFEARNOW52
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  • 1 POST
Black all my overflow tank. Car runs good. No water in oil. No smoke from exhast.
Dirty cooling system you think?
Dec 18, 2009 at 7:41 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
it could be just a dirty system, but it also could be anindication of head gasket/intake gasket failure. If it's not oily i wouldn't be t concerned about it. if you haven't changed the fluid now would be a good time to do it considering the mileage on your car
Dec 23, 2009 at 12:34 PM
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