What is your question?
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What is your question?
I have changed thermo twice, core, coolent twice, and coolant temp sensor. and I still have no heat, if I drive all day it will blow hot! but other wise its cold. Motor heats up nice and everything is hot coolant, tubes. any ideas?
how will I know if its the gasket? I don't have water in the exhaust, nor excesive white smoke? is there a heater relay anywhere? and the switch I am taking is the dial in the truck from hot to cold? But if I drive it all day I can get heat, and if the truck temp goes above 210 I can get heat. Can it still be the switch?