Take both of your heater core hoses of and run clean water through it that's about all you can do, but that may not be the problem. It could be your thermostat.
Thanks for the link. I did mine today because the heat was just barely warm. I used plain water from the hose, and alot of brown junk came out. I can't beleive the difference in heat !!!!:dance: It will actually roast you now. Just what I needed before it got too cold.
flushed mine today too, just with clear hose water .....now Its blowing about 140 degree warm air..awesome....also replaced the blower resistor so it actually blows on all speeds too ... here is a pic of how I set up the flush to keep things from getting very messy..easy and only took a few minutes..
one heater hose connected to the garden hose and the other one to a hose that drains to a pail or container ..
I did mine again Sunday. After I flushed both ways, I used compressed air, followed by flushing again. I got lots more gunk out of it. I repeated the process until there was no more gunk. I probably flushed 6 or 8 times total.
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