Blows cold air out of vents.
2001 suburba no heat to floor.
And restarting the truck or drive with the windows down.
And yes the temperature sliders are both all the way to the top max.
What happenes some times is the vent wont switch over from hot to cold or vise versa.
Currently he is only getting air from the defrost vents in the top of the dash.
Some of this coolant is diverted from the cooling system into a heater core.
There could be several reasons why it s not working properly.
2001 silverado with 191 000 miles.
The heater in your chevy silverado supplies the heat to the cabin.
I have a 2001 chevy suburban and the air condition.
Chevy usually has a heater control valve mounted on the right rear corner of the intake manifold the corner near the heater core.
Passenger side and all the rear vents work fine with lots of heat.
Is there a vacuum hose that gives problems on these models.
This turns on.
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.
I had the same problem but reversed no heat in front and it worked up to the last time i had switched it from hot to cold.
Is there a switch that opens this up are could it be stopped up.
The line going into the heater core is hot from the engine but cold on the return line to the radiator.
Ac blows cold and strong.
2003 suburban no heat is delivered to the driver s side.
If its the computer climate controlled series then it might be the the vents.
His auto parts store repair manual is lacking in this department.
Failure to allow sufficient time to calibrate can lead to the.
New h2o pump hoses thermostat.
Hi all a friend of mine has a 2001 chevy 1500.
Defroster vents and floor vents all blow cold air brrr on the drivers side only.
The heat in the silverado is supplied by the hot engine coolant running through the engine cooling channels.
A c works fine for all vents in the summertime.
References chevrolet silverado gmc sierra pick ups tahoe suburban yukon denali avalanche repair manual 1999 2006.
When cycling the duel climate control levers up and down there is a change in air flow but not temp.
2003 suburban z71 with duel climate control and rear controls no heat in front or rear sometimes rear will blow warm if reving rpms countinously.
Ck p u suburban and yukon tahoe actuator calibration starting in 2001 whenever the battery is disconnected or when replacing any of the hvac actuator motors mode door or temperature blend the hvac system will have to go through a relearn or calibration process.
Just noticed that the heater does not work.
This truck used to have burn your face off heat.
09 24 09 04 19 pm post 1777644 just bought a 2001 suburban.
