COOLANT LEAKS ON THE DRIVEWAY BETWEEN THE LEFT FRONT WHEEL AND THE BACK OF THE FENDER WELL SOMETIMES WHEN I PARK AFTER DRIVING. NOT A WHOLE LOT BUT A LITTLE ...MOST OF THE TIME OVER NIGHT. RADIATOR AND THERMOSTAT BEEN REPLACED ...AND WATER PUMP ABOUT THREE OF FOUR YEARS AGO. DOES COOLANT LEAK OUT OF THE COOLANT SENSOR WHEN IT IS BAD?
If seal/tape goes bad it can leak..I suppose if something is cracked sensor can appear to leak..if temp gauge seems to work and u think sensor threads leak reapply some thread tape and put in..
If gaugedoesn't work then maybe sensor is bad/crackedt
SOURCE: coolant leaking from under car
I would think that the coolant leak has nothing to do
with the new radiator or other hoses etc that was involved
in that repair
I would check for a worn out water pump
Have to see where the leak comes from
You know it only leaks under pressure when
car is running
SOURCE: Keep adding water/coolant. Replaced radiator,
Do you know how the head gasket was tested? I prefer the combustion leak detector.This is placed over the fill reservoir and connected to a vacuum source.The cylinder is then filled with a chemical that changes from blue to yellow when combustion gases hit it Additionally a very good way to check for a coolant leak is a UV light.Antifreeze is very flourecent with one of these.
SOURCE: 1996 Cadillac Deville overheating- head tested, no
remove pump and check that the imèller which is plastic hasnt seperated from drive shaft
SOURCE: 1998 Cadillac DeVille Overheats
The cooling fans will not come on until 225 degrees. Normal temp is around 199-215. Sitting still in traffic most will inch up around 220 or so. When you turn ac on it turns the fans on and may cool down engine, Check fan operation.
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