I HAVE A 1997 Chevy Suburban LS WHEN THE CONTROLS ARE OFF IN THE FRONT I FEEL...

[marlon1164]

...COOL AIR COMING THROUGH THE VENT? I HAVE A 1997 Chevy Suburban LS WHEN THE CONTROLS ARE OFF IN THE FRONT I FEEL COOL AIR COMING THROUGH THE VENTS OR EVEN IF I CUT THE HEAT ON I FEE COOL AIR I CHANGE THE THERMOSTAT AND CHECK HEATER COIL WATER IS HOT GOING THROUGH BUT COMING THROUGH THE FRONT VENTS THE BACK WORKS FINE but how to remove the HEATER BLEND DOOR ACTUATOR ON 1997 Chevy Suburban