MOST OF THE TIME WHEN CAR IS LEAKING ANTIFREEZE.CHECK ALL RADIATOR HOSES AND AROUND THE RADIATOR ON THE SIDES AND FRONT AREA WHERE COOLANT FAN IS.BUT BE CAREFUL DONT PUT HAND NO WHERE AROUND COOLING FAN.BECAUSE IT COULD COME ON WHILE YOUR HAND IS NEAR YOU CAN GET INJURED.ALSO CHECK AROUND WATER PUMP GASKET AND WEEP HOLE FOR LEAKING.IF YOU FIND NO LEAKS THEN YOUR HEAD GASKET LEAKING.CHECK ENGINE OIL IF OIL LOOK LIKE MILK SHAKE YOU HAVE HEAD GASKET LEAK.
SOURCE: 1994 honda accord leaking antifreeze on the
More than likely the water pump is bad and needs replaced.
SOURCE: my antifreeze is leaking and its freezin cold?
Okay...after seeing that answer...try replacing your radiator cap.
SOURCE: 1986 oldsmobile cutlass ciera overheating.
I have the same car 1986 Oldsmobile Cutlass Ciera LS. Heres something to see if your waterpump went out, open the hood, then open the fill cap on the radiator, then turn on your car and put your heater on high heat,high fan. If u get out your car and look in where u opened the cap and see the liquid flowing then theres nothing wrong with the pump and it could possably be a rong mix ratio, standard is 50/50 but I prefer 70/30. And make sure u get preston Dexcool, its spacific to GM cars. as for the leak, get a black light pen, at night, shine it all over the tubes running from your engin to the radiator, at night it should florecent.
SOURCE: My car is leaking coolant and overheating
The best way to diagnose this is with the hood up and the vehicle running. The possible places for leaks are:
1.The upper or lower radiator hoses. The hoses themselves or at either end where they connect.
2.The radiator, especially on the plastic ends which are prone to small cracks in this age of vehicle.
3. The water pump itself which is equipped with a small "weep hole" that will allow coolant to drip from the pump when it is bad. The weep hole is usually located on the underside of the pump, but on some vehicles it may be on the top side of the pump.
The fact that you have a big puddle after 5 minutes will actually make it easier to find than it might otherwise be. I hope this is helpful.
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