1999 Chevrolet Silverado 1500 "1996 gmc defrost work" Questions

heater not heating ? both hoses hot , fan works but no hot air ? is the climate control switching over like from floor to defrost to vent ? maybe the flap door not working in heater box.both hoses are

...defrost, vent, and floor settings all work as do the HI/LOW sittings it just blows HOTT!!! Any suggestions will be greatly appreciated. The problem is probably the electric actuator on the air mix ...

1996 GMC JIMMY---CAN NOT GET ANY HOT AIR OUT OF THE HEATER VENT WHEN THE MODE KNOB IS MOVED TO THAT POSITION. HOT AIR WILL COME OUT THE DEFROST VENT. knob may need to be replace. also the knob works ...

No air flow out of face vents. I'm no longer getting any air flowing out of the face vents. Air will only come out of the floor and defrost vents. Switching the dial to "Off", or any of the heater ...

...defrost, in front window, and it blows out at the feet but the face vents will not allow any air, hot or cold or from outside blow through, what do I do? check the hoses connected to the vacuum ...

...1996-97 CHEVROLET AND GMC M/L AND G VANS 1995-97 CHEVROLET AND GMC C/K TRUCKS CONDITION: SOME CUSTOMERS MAY REPORT THAT ONE OR MORE HVAC CONTROL KNOBS SPIN FREELY, RESULTING IN LOSS OF FAN, ...

...GMC Yukon 4x4 (not the Denali) A/C fan cuts out completely at specific times. I have a digital display with automatic ability. The fan works properly when I have it set to A/C with any fan setting ...

...1996 chevrolet blazer s10. When i try to change the heater control switch from floor to vent or anyother position most if not all the air comes out of the defrost vent. Some say it is a leak behind ...

...1996 Jimmy had the blower motor and heater core replaced and now the air will only blow out of the top defrost vent no matter what vent is selected for A/C or Heat. The vents were working before he ...

1996 GMC pickup the defroster will not switch from floor position to defroster at the dash and the air condition will not work at all some of the older one ran off vacum need to check that or maybe ...