Chevrolet Suburban 1500 Problem Report
Chevrolet Suburban 1500 Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator
One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.
Actuator door quit working and would only blow hot air on driver side and cool air on passagner side when in ac mode. - Visitor
no heat from the front, but rear heat works great. - Visitor
Drivers side a/c switches to heat, while passenger side blows cold.
Replaced drivers side door actuator, did not fix problem.
Turning the a/c off then shutting off car and restarting will reset all doors and actuators, fixing the problem temporairly. - cooter26
had ac on and driver side started blowing extremely hot air - Visitor
A/C and heat not putting out right temperatures, actuator making sounds. Replaced acctuator - Visitor
is stuck on heat or cold seems to change when it wants to but not by the control assembly. - Visitor
Cooling only works on upper setting. The heater will only work when the car RPM are increased and will not heat the back vents at all. There is a continuing clicking sound coming from the dashboard. - Visitor
Driver side Air cond turns to a high heat ---passenger side is fine --this is not a very good condition to have going across the Bonneville Salt Flats in 95 degree weather. I have had 10 suburbans and this one takes the cake -- I have had more problems with this one than all the others combine---the one that makes me most upset is the speedometer --with a $600.00 price take to repair plus removing the whole consul for a week or so. I wish the engineer that thought this one up had it stuff where the sun don't shine along with there fuel pump in the gas tank. - Visitor
actuator reprogrammed and relaced left temp. valve. - Visitor
front a/c blows hot
rear a/c blows cold - Visitor
Heat coming out of drivers side and cool from left side - Visitor
goes from cold to hot the door flips I replaced the door moter but it still does it - Visitor
replaced door actuator - Visitor
Drivers side randomly switches to heat . Can be reset by shutting it off and restarting. - Visitor
When driving in summer with air conditioning on, suddenly the driver's side switches to full HEAT. Stop the car and restart and the problem usually goes away. - Visitor
Occasionally hot air would start blowing on driver's side, but nowhere else. Stopping and restarting engine would fix it. This happened about twice to four times a month, until the alternator went out, and now it does it full time. This is the first day and after doing some research tonight I plan to disconnect the battery tomorrow to reset the door blend actuator and see what happens. But I haven't seen anyone else mention an alternator replacement being the trigger for this, and I want to educate myself before a mechanic potentially decides I need a new compressor. - Elene22
No heat but defroster works fine. - Visitor
I have this issue, not fixed yet. - Visitor
AC blows hot in front and cold in rear. Heat stuck in defrost mode. Cannot change location of air in heat mode to floor or face. - Visitor
For some time now, I get heat on the driver's side and cold air on the passenger side. I would like to know how to do this repair. - suzyandhondo
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