work at all. During the winter it is critical to your safety for the heater to be able to defrost/defog the windows.
Hot engine coolant flowing through the heater core provides the source of heat that is distributed through the vents to warm the vehicle and defrost/defog the windows.
Think of the heater core as a tiny radiator that operates in reverse. Instead of evacuating heat from the vehicle, this unit distributes heat into the vehicle. Some of the common causes of heater core failure include:
- Clogs-Clogged passages in the heater core dramatically effect the efficiency of the heat exchange. Products like leak sealer and improper type of antifreeze are the most common culprits in this type of problem.
- Leaks- Leaking heater cores are common and many times the cause of the leak is improper coolant maintenance of the cooling system. As the coolant ages, it becomes slightly acidic and this can cause a condition known as electrolysis. Dissimilar metals in slightly acidic coolant can cause erosion of the metal. When enough of the metal sealing surfaces erode, the seal fails and a leak occurs.
- Cracked or Broken Coolant Tubes- Coolant travels through small tubes into the heater core from the engine. Many manufacturers make these out of plastic and over time, they will crack or split. One of the primary causes is heat cycles. The tube gets hot, then cold, then hot again. This heat cycle will cause the plastic tubes to become brittle.
Come to Kool Kar Auto Repair for all of your heating and cooling system maintenance needs.
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I was frankly worried by your silence and tempted to contact a couple of people closer geographically with inquiries but that seemed intrusive. I was relieved when I saw a repair service couple of comments from you but still concerned. I'm very glad to hear that you got the care you needed and that you're recovering. I'd hoped you were on vacation but I didn't imagine one of exactly this type!ReplyDelete