1999 f-150 Engine 4.2 v6 oil is mixing in the reservoir where the antifreeze goes

145

Asked by David Feb 10, 2017 at 08:44 AM about the 1999 Ford F-150 Lariat LB

Question type: Maintenance & Repair

Oil mixing in the reservoir where the antifreeze is

1 Answer

224,155

If this is an automatic transmission, then it is possible the trany oil cooler in the radiator has a leak. If you are loosing coolant and problems with the engine overheating, then that would be a head gasket.

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