you are better off using water from your hose to flush core. disconnect in and outet hoses do not turn hose spicket more then half a turn, apply pressure to both ends and watch how much crap comes out, this procedure has no guarantee that the core wont pop,especially if it is corroded,air is no good because it compresses and is more likely to burst the core if you can use hot water even better just be patient if you start to get circulation you can turn water up a bit, it works 70% percent of the time,make sure you winterize the van when your done
I have a 99 bravada, and have had no heat for over a year... until today. I was told by the dealership that I needed a new thermostat, so I had one put in last winter... that did nothing. Today, I had the heater core flushed, and Viola! I have so much heat I had to open my window, and I live in western NY! good luck! Just blow compressed air through the heater core
About 27.00 for a 1988 towncar heater core at autozone.
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your heater core hoses could be plugged up and not letting much hot anti-freeze into the heater core then when you try to blow alot of air through it it cools the warm air off too much and you get not so warm air. try a cooling sytem flush
There are many online shops that sell heater core. Amazon.com is one of online shop that sells heater core for any kind of auto car. You can visit www.amazon.com
A replacement heater core would cost aprox $35.
kia sportage heater core at autozone is $ 93.99
Thermostat is not allowing the engine to warm up enough to produce heated coolant to the heater core. Heater control valve is faulty or not opening. Low coolant level; coolant level is insufficient to pump into the heater core. Blocked or damaged heater core. Start with the thermostat, that's very common. While you're at it, make sure the coolant level is up. After that, if you suspect a blocked heater core, try backflushing the heater core. Turn the heat on full to open the valve, then with the heater hoses removed, run water BACKWARDS through the heater core. As you remove the heater hoses. Don't use much water pressure, if you go over 15 PSI pressure you could blow the heater core and then you have real problems. Typical water pressure at a house is 50 to 120 PSI, so if you use your water hose make sure you control the pressure.
Around $500. $450 in labor and the heater core is about $50. PITA job!
I have the Chilton manual for this vehicle and it appears as though you will need to disassemble the dash to get to the heater core. Before you do this, make sure you disconnect the hoses on the engine side of the firewall and try to blow out as much of the remaining coolant to avoid spilling on the interior later during removal. The duct will have to be removed from the vehicle so whatever it takes to get there on your car will have to be done to get to the heater core itself.
If your asking about a heater core for a car. you pretty much have to pull the engine to get at it. as it is part of the system, it should get flushed out when you flush the system.