Questions & Answers for: blazer vent heat

...heat in my 2004 Blazer. When I trun the control to heat (floor), the defrost (windshield) goes on. There is no heat on the floor and I can hear the defrost working (you know the sound it makes). The ...

heat comming out of vents, Even when the AC is on Heat comming out of my vents even when my AC is turned on, Pls Check Your A/C Panel Switch of Hot & Cold

...Blazer...constant heat from heater, both dash vents and floor vents REGARDLESS of heat setting on dash thermostat this problem is caused by a failed HVAC temperature control blend door electric ...

my heat works but it doesn't blow out of dash vents, only the floor board and defrost vents. it's a 1992 chevy blazer 4wd with 4.3 v6 A vacuum hose has come loose or broken under the hood.

?Where are the vaccuum hoses that control the vents that let air come out of the vents. behind dash If you are not getting heat or A/C to the upper vents, your PCV valve maybe plugged up. Open your ...

i have a 98 blazer 4x4... heat works perfect minus it oly comes outof body vents... defrost doesnt work at all... how do i fix this? chek the vac lines under the dash and under the hood

no floor heat 2004 Blazer No heat from floor just the defrost and dash vents Usually a sign the blend door is not working under the dash. The blend doors direct air thru the vents and the heater core.

...blazer heat won't blow on floor defrost anan vent work but nothing when switched to the floor Transfer case switch may be bad allowing trans fluid in vac. Lines and can reach as far as heater switch ...

...heat from the vents Check heater pipes are hot ( two coolant pipes that go through the bulk head) if they are the heater radiator vents are closed, vent control problems, check under the dash, could ...

...blazer 4x4 both heater hoses are hot, still I have no heat. I don't believe the vents are changing either? Is it possible that the controls are not opening your vent doors. If so the heat would not ...