it could be the thermostat needs to be changed or the heater core needs to be flushed out.these would be the cheaper things to try first.
Did you ever have a coolant leak?
The materials in a immerisian heater are used for making the heating element heat in water. Without them they couldn't be a chance for the heat to last.
The heater core is bad that's why you do not have any heat
your heater will be cold, or your engine can over heat. your car can take a long time to heat up. Your inside heater will be cool, or your engine temp. will over heat.
It is possible the thermostat has stuck in the open position therefor not letting the engine heat up. It could also be the heater core or possibly the hoses to the heater core are disconnected.
Feel the heater hoses in engine compartment if one is hot and other cool try flushing heater core.
Low coolant? Heater control cable not adjusted properly? Bad thermostat? Heater core "airbound"? Water pump not circulating coolant?
low coolant? Bad thermostat? Climate control not sensing proper temperature? Heater core plugged or restricted? Heater core airbound?
My 2001 Chevy Blazer was blowing cold air when I had the heat on. My husband flushed the line to the heater core and a bunch of junk came out and now my heat works great. My 2001 Chevy Blazer was blowing cold air when I had the heat on. My husband flushed the line to the heater core and a bunch of junk came out and now my heat works great.
could be that your heater core is clogged or your thermostat is stuck in the open position making it slow to heat.
How to remove the heat core housing on a 2001 crown Victoria? I remove the dashboard, can't get heat core housing out.
Heater produsces - heat recovery finds heat and reuses it