2004 Chevrolet Silverado 1500 Crew Cab "heater blows hot" Questions

...hot heater hoses one heater/defrost doesnt blow hot, heater hoses one side hot other cold thermostat has been changed 4.8 engine,fuses have been checked engine is circulating water fine temp is 205 ...

...hot My heater doesnt blow hot until i get driving but at idle it is cold. i have a 2004 chev 1500 truck. Have you checked your coolant? if coolant is low it can cause an air pocket in heater core and ...

Heater will not blow hot Top up Fluid level in over flow tank and radiator ( when cold ). Run engine to normall operating temperature and check for heater blowing hot air.Good starting point.

heater not blowing hot air. all controls inside work. i think it might be the heater valve more likely it is the heater core, if your heater blowes cold air 90% of the time this fixes it!

...both heater hoses are hot. Sounds as if the 'Blend door actuator' function is not working. it is stuck on the cold and the gear that turns the door to open the gate for the hot air is stripped

heater fan only blows cold air , both coolant lines in are hot heater doesnt blow heat, only cold air, the coolant lines by the fire wall are hot and the switch that changes air direction isnt working

...Heater blows cool air My heater will heat for a minute but then goes back to blowing cooler air. Initially I checked my radiator fluid level and had to fill it up. The level of fluid has remained ...

heater blows,but does not get hot Get it up to temperature, with heater on, feel the hoses that go to your firewall, they should both be hot to the touch, if one is, you may have a plugged heater core

...radiator is full touch both heater hoses. One side should be HOT and other side warm. If that is all ok check fuses for heater and HVAC, both use same doors in hear control. I hope this helps ...

Blower for heater blows low volume and doesn't blow real hot air. google- SILVERADO HEATER ACCUATOR and you know everything hope this helps