Next step they make a flush that you can buy from any parts store dump that stuff in and fill the radiator the rest of the way with water.
Toyota tundra heater core flush.
How to flush your toyota tundra heater coil for less than 5.
My tundra has always blown cold air out when i was idling even with the heat on full.
Is your heat not working or is your heater not hot.
This is a bit of different video than my usual diy project vdeos.
Posted by anonymous on feb 07 2014.
Btw watch this if you have any trouble with your car s hot air ventilation if you heat no.
The diy option is to open the drain on the bottom of your radiator and dump it all into bucket.
I explain the different symptoms i am having with my trucks heater core.
Problem is you wont get everything out coolant will be trapped in the block and heater core.
You may have a clogged heater core so do a heater core flush and unclog it.
I have never wanted anyone to look at it because i didnt trust what t.
I then do a coolant flush to see if that helps fix the.