I just took off the upper water hose on my 1999 cadillac deville. I had just moved it about 30 feet. I took off the upper water hose and it was dry inside the hose and on top the connector, like no water had even went thru it. What might be the problem??


Asked by Jan 18, 2014 at 04:33 PM about the 1999 Cadillac DeVille D'elegance Sedan

Question type: Maintenance & Repair

Do I need to change the water pump or maybe the thermostat or both. Any help on this is much appreciated.

2 Answers

Tom Demyan

No coolant will go through the upper hose till the thermostat opens up. Usually around 195 degrees, so the car will need to be warmed up first.

2 out of 2 people think this is helpful.

Remember, if you let the car warm up, the system will be under pressure and you should not remove the radiator cap to see if the hose is wet inside. If you must look at the inside of the hose, let the car cool and then open it - it will still be wet if there are no blockages and the thermostat is working.

1 out of 1 people think this is helpful.

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