After car heats up (slow to heat) it stil blows cold until moving
Car takes along time to heat up then when car is showing normal operating temps it still blows hot air unti car is moving. The faster you drive the quicker warm air starts to blow. As soon as you stop the air goes cold (2005 Dodge Grand Caravan)
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Re: After car heats up (slow to heat) it stil blows cold...
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sounds like the thermostat has a problem and needs to be replaced. The thermostat regulates temp and it defective can either stay closed or stay open and I reckon in your case it has stuck open permanently. Your manual should show you where the thermostat is located.
when you start the car and let it warm up, does it reach normal operating temp.? Does the needle stay in the middle? If not, it's time to replace the thermostat. If it's ok, then your blend door is stuck or broken and may need replacement or repair. when you move the control to hot or cold, the blend door opens accordingly allowing cold hor hot air in.
Your engine coolant is what your heater gets the heat from. You need to start your car and let it warm up for awhile before any heat will come. This is how most cars heaters work. Yours sounds like it is working fine; most cars take a little while to warm up.
Just finished fixing my daughters 1999 taurus heat. It would blow warm only when running down the road. At idle it blew cold. I started with replacing thermostat, and water pump because they are the easier fix. Still did not help. Then I replaced the heater core. A daunting job but not that hard to move the dash slighly out of the way to replace. There is a good write up at tarusclub.com. After that, heat was better but at idle, it would still blow cool sometimes. Researched and found answer. Park car on the steepest hill you can find with front of car up. Start car and take off reservoir cap. Let car warm up and keep rpms about 1500. After a while the fluid will come running out of the car and all over the place but it will bring air bubbles with it. Reduce rpm, add more fluid and repeat about 3 times. It will make a mess but after that, the heater works perfectly. We get heat long before the temp gage indicates any and it never blows cold unless you lower the temp.