1992 Buick Roadmaster "air hot" Questions

hot air. Could be a problem with the auto system, could be a bad blend door, could be a clogged heater core. Are both heater hoses hot? If so, you have eliminated the heater core. If not, probably the

...air between hot and cold was broken and needed to be replaced. That was my suspicion. Fuses were all good. Relays were all good. Compressor pump cycled. Freon was "proper". Dealership only ...

...hot air, does not need feon and compressor appears opperational. Any ideas Make sure the large line going in the firewall is cold,if so,the problem is on the inside ,check the temp door,it is most ...

no heat only cold air comes out,blower does work Heater core may be stopped up . Feel the hoses and see if the water is hot on both sides. You can back flush these.

the heat is not blowing hot air. what could cause this? Heater control/blend door. It is mounted on the heater box under the dash.

...hot air. I replaced the thermostat but still no heat. Is this likely the heater core? Where is it located on this car? Thanks in advance for any help. Tom Gibbs I had the same problem or still do. I ...

...hot, you will get air and steam bubbles in the engine, the thermostat will work as long as it has water running by it but if a slug of steam goes by it, it will close. "Burping" that engine is a pain ...

...hot air? doesnt overheat all the time and when does i shut off and can turn back on and temp goes down fast most times? sounds like a stuck thermostat. also check your belts to make sure they are ...

...hot air when heater is on only cold air You most likely have a blockage in the heater core. This can be blown out, although the replacement of the core is not prohibitively expensive, especially if ...

...hot air what could my problem be replaced thermostate . fan is working great Well, you probably need a heater core. I it is a 93. Find a friend to do it, and buy a manual for it. The car is probably ...