1995 GMC Sierra "heater getting hot" Questions

Heater no hot air Doesn't blow hot air Your thermostat could be staying open,not letting the coolant to get hot,or your heater core is bad,usually leaking by driver side floor board.

...heater core. They should both be hot. There may be a 20 or 30 degree difference in temperature, but both should feel very hot to the touch. If one is really hot and the other just feels warm, the ...

...heater core hoses are hot to touch and the coolant is full if the blower motor motor is working then its a blocked heater core or a faulty shut off valve ,i would need to get my head under the bonnet ...

...are hot, the problem is in the heater box under the dash. Doors are not opening or closing properly. If both hoses are cold, the thermostat is sticking and will have to be replaced. Hope this

...system to switch from air cond, to heat can't get hot air coming from the heater coil, only cool air coming thru when you ask for heat Sounds like it could be a faulty heater control

heater blowing only cold air no leaking, new thermostat, hoses seem full of hot water, just does not get warm inside truck??help" you may have a clogged heater core or heater core bypass valve ...

...hot, my heater core is good and circulates well, i think possibly the heater door don't work,maybe the mtor is bad on the actuator well 1st ensure the hoses to the heater core are operating by ...

...heater core supply/intake hose and found it hot to the touch, while the return hose was nearly cold. It was definitely a heater core blockage. I removed both ends (supply and return) hose ...

the heater is not working in my 1993 gmc 2500 pickup with extended cab are the heater core hoses in and out getting hot from the engine to the firewall? check that please

...heater core is hot but one coming out is just warm I had a 91 GMC 4.3 do the same thing. Liked to froze to ***** one winter. Found I had a air bubble (air lock) in the engine block and heater. It was ...