CHECK THESE NEXT:

6. LEAKING WATER PUMP GASKET
Have water pump gasket professionally replaced.

7. TRANSMISSION OIL COOLER LINE CONNECTIONS LEAKING AT RADIATOR
Have transmission oil cooler line connections professionally repaired.

8. LEAKING ENGINE CORE PLUG (FREEZE PLUG)
Have engine core plug professionally replaced.

9. LOOSE OR FAULTY RADIATOR DRAINCOCK
Tighten or replace radiator draincock.

10. LEAKING THERMOSTAT GASKET
Replace thermostat gasket.