1997 GMC Safari "heater door 97" Questions

...heater core alway has water passing through it? lots of questions please help! Temperature is controlled by an air mix door inside the HVAC compartment. This door is either electrically actuated if ...

...it. It will keep the door from switching from heat to a/c. Does the odor smell like you have a freon leak in your a/c evaporator core or does it smell like a rat stuck in your heater and a/c

...heater has a door that opens and allows heat to mix with air from the a/c system which also has a door for the evaporator. Depending on what temprature you choose the doors are opened by a computer ...

...door that separates the heater and A/C cores. this door is often obstructed by pens, pencils, or plastic junk that have fallen down into the defrost vents on top of the dash and landed in the box. ...

...side hot on driver side, no matter what it is set on, vent, floor, defrost, etc. any ideas? thanks vent doors need to be re-calibrated how do you re-calibrate the heater vent doors of a 97 buick ...

...tempature sentor and thermostat.. Do you feel heat on both heater core hoses? If not then it might have a blocked heater core, low coolant level, defective heater control valve or a blend door

...heater blend door module clicks blows out cold air no warm air? The air temperature blend door is jammed and this is causing the blend door motor to "skip". REMOVE THE DASH ASEMBLY AND REPLACE THE ...

...door actuator. go to the link for heater core instructions, they are the same for 95-97 for the blend door except u of course are not replacing the heater core, but the same access to the internal ...

97 ford ranger with a 2.3 wont switch from cold to heat if the heater hoses are hot, its usually a sign of a faulty temp selector or one of the blend doors under the dash.  The blend doors direct

...heater hose temp 154f and I can hear the temperature blend door closing. The operating temperature is midway and I have no antifreeze leaks. not likely cause is a plugged heater core and really not a ...