The heater core may be stopped up. Try flushing it, or replace it.
While there are many reasons for non heat production, the primary reason you aren't getting heat in your 1998 Volvo 240 is the simple fact that Volvo stopped producing the car in 1993.
If the dash lights go on and off and the heat won't turn off and electrical noise is coming from the heater, there could be a short in the wiring on a 1998 Blazer. This is also possible if the ground wire for these items is not longer attached.
They are threaded, but ypu need a special socket. Also, applying heat helps to loosen it, but they are tough to remove. Just unplug connector.
For some reason Oldsmobile decided to have the air constantly on for circulation purposes. Just turn the knob towards the blue side so that the air isn't hot. That should make it less iritating.
they have different melting points and specific heat
You need to add water to the radiator, it may be low and you will overheat your motor.
Most likely a bad heater core
It is possible to heat anything.
Neptune radiates MORE heat that it receives from the Sun - the reason is still unknown. Possible reasons are atmospheric interaction or magnetic waves.
I have heat in my truck all but the floor. this is a 1998 s-10 Chevy pickup. can you help me find out the reason?
is it possible to construt a heat engine that will not expel heat into the atmosphere
Brimstone - 1998 Heat 1-2 was released on: USA: 30 October 1998