Can a hot water heater core be clogged?
If the heater core is working properly, both hoses should be warm or hot to the touch; one might be slightly cooler than the other, but not by much. A common symptom is if one hose is hot and the other is cool or cold to the touch. In that case, you might have a clogged heater core. In that scenario, you can try flushing it out.
What causes a blockage in the heater core?
If there is a problem with the heater core or cooling system, it will affect heater performance. One of the main causes is not using stop-leak products properly. If you’ve had a coolant leak that you’ve attempted to fix with stop-leak and you have no heat or reduced heat, you might have a blockage in the heater core causing the problem.
Why is there no hot air coming from my water pump?
No warm air is coming from the heater Since it is the primary job of an auxiliary water pump to supply hot coolant to the heater core, it seems obvious that the first symptom of a problem with this component would be no hot air blowing from the heater.
How can I tell if my heater core is working?
These are normally the feed and return hoses for the heater core. With the engine warm and running, feel the hoses. If the heater core is working properly, both hoses should be warm or hot to the touch; one might be slightly cooler than the other, but not by much.
How can you tell if your heater core is clogged?
One of these hoses is an inlet to the heater core coming from the radiator; the other is an outlet coming from the heater core. If the inlet hose is hot/warm and the outlet hose is cold, you can pretty much determine your heater core is clogged.
Why is my car heater core not working?
Low coolant in the radiator can be a major reason the heater core isn’t getting enough fluid circulating into it to warm the vehicle. Fill the radiator and overflow tank as needed with equal parts antifreeze and water.
How do you unclog a hot water heater?
If the heater core hoses are not easily accessible and you have no desire to attempt unclogging the heater core yourself, at least you’ve isolated the problem and can describe the procedure you performed to a qualified technician. Then he can unclog the heater core for you.
What should I do if my water heater core bursts?
Depending on your water pressure, some hoses can run up to 100 lbs. per square inch of water pressure–which can easily burst a heater core seam. Add a little more pressure until it blows the gunk out of the heater core. This is messy, so don’t be wearing your Sunday best. Replace the hoses to the heater core and tighten the clamps.