1997 Cadillac DeVille "lack water flow heater core" Questions

...lack of power compared to what it used to be, or an increase in fuel consumption, or both when exhaust has a restriction. With that said, a weak water pump is also a possibility. Hope this sheds some ...

...water to flow freely The heater core is like a small radiator inside your dash. The coolant flow through it can be restricted by corrosion. The lack of flow of coolant through the heater core will ...

...lack of heat. A mechanic can test the water pump to determine if it is functioning correctly. Heater core blockage: If the heater core is clogged or blocked with debris, it can prevent hot air from ...

...lack of warm air inside the car. Flushing out the heater core may help. If not, you will have to replace it. I would say though, 80% of the time the cause is just restriction. Get the heater core ...

...flow of coolant through them. They are spongy to the feel so it appears no coolant going through. This year car does not use any water control valve as water flows all the time into core. I believe ...

...lack of service to the cooling system or services performed without using distilled water in the coolant mix. Minerals dissolved in tap water will deposit on the inside of the heater core (and your ...

...lack of heat. 2. Clogged heater core - no water flow thru core, thus no heat. 3. Broken control head - loss of cable or vacuum actuation of blend door. 4. Broken heater box/vacuum tank - no actuation ...

...wall if one is warm and the other is cold that is a lack of flow......also a common problem for your vehicle is faulty water pumps the fins on your pump will rust away causing poor flow.......good ...

...lack of water flow then you might check:   1) The linkage under the dashboard (behind the 'hot/cold switch') to make sure it is actually opening and closing the door in the air duct like it is ...

...water in return. Its common for them to clog up over the summer from lack of use. the junk in your coolant will collect at the core because there is minimal flow due to the heater not being turned ...