A c works fine for all vents in the summertime.
2001 suburban no heat to floor.
1996 gmc suburban heater blows on floor.
Heater doesn t blow on floor feb 19 2012 12 38am i have an 01 silverado with manual heat a c.
Defrost works dash vents work but set to floor heat the blower is working but nothing comes out on the floor.
Ac blows cold and strong.
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.
Some of this coolant is diverted from the cooling system into a heater core.
09 24 09 04 19 pm post 1777644 just bought a 2001 suburban.
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.
And yes the temperature sliders are both all the way to the top max.
Is there a vacuum hose that gives problems on these models.
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.
The heater in your chevy silverado supplies the heat to the cabin.
New h2o pump hoses thermostat.
The heat in the silverado is supplied by the hot engine coolant running through the engine cooling channels.
2001 silverado with 191 000 miles.
Yes those controls are vacuum controlle.
There could be several reasons why it s not working properly.
Loss of hvac system mode and or temperature control reroute wiring harness models.
Could be as simple as a bad hose or connection.
Passenger side and all the rear vents work fine with lots of heat.
Just noticed that the heater does not work.
Feb 18 2009.
This truck used to have burn your face off heat.
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.
Defroster vents and floor vents all blow cold air brrr on the drivers side only.