If you are not getting heat in your suburban but the coolant seems to be making its way into the heater core then you may need a new heater core and thermostat.
2001 suburban no heat to floor.
There could be several reasons why it s not working properly.
Could be as simple as a bad hose or connection.
This truck used to have burn your face off heat.
Defrost works dash vents work but set to floor heat the blower is working but nothing comes out on the floor.
A c works fine for all vents in the summertime.
Ac blows cold and strong.
Feb 18 2009.
Some of this coolant is diverted from the cooling system into a heater core.
2003 suburban no heat is delivered to the driver s side.
I changed the heater door control motor a couple of years ago because it used to get stuck in the open position causing us to pull over and reset the heater control by turning off the ign.
1999 2002 chevrolet and gmc c k pickup models silverado and sierra 1999 2002 chevrolet and gmc c k utility models avalanche suburban tahoe yukon yukon xl denali 2001 gmc sierra c3 2002 gmc sierra denali.
01 hvac.
2001 silverado with 191 000 miles.
Is there a vacuum hose that gives problems on these models.
And restarting the truck or drive with the windows down.
The heat in the silverado is supplied by the hot engine coolant running through the engine cooling channels.
Yes those controls are vacuum controlle.
1996 gmc suburban heater blows on floor.
Passenger side and all the rear vents work fine with lots of heat.
New h2o pump hoses thermostat.
Just noticed that the heater does not work.
Loss of hvac system mode and or temperature control reroute wiring harness models.
And yes the temperature sliders are both all the way to the top max.
2001 k1500 gmc heater does not blow to the floor anymore no matter what position the dial is put in it blows from gmc 2002 sierra c k1500 question.
The heater in your chevy silverado supplies the heat to the cabin.
Defroster vents and floor vents all blow cold air brrr on the drivers side only.