1992 GMC Safari "open heater flap" Questions

...heater core. and disconnect the lower hose as well. hook a water hose to the upper side and start with a low flow as to not blow out the finns. if this does not work you may have a stuck valve under ...

...heater? Sometimes the solenoid activates and LiNKAGE seems stuck to open the heater FLAPS/DOOR. Bring it back to the mechanic and test those links and motors that i said! Hope that helps u

...heater core out and tried to push the flap open by reaching up inside.Still no success. Have you ever heard of this happening,and what might be the problem? 1996 plymouth voyager se 3.3L motor the ...

...heater controller that controls it is bad..The dial on the dash that says cold to hot..Shut car down and listen for the flap to open and clse when you change it to hot to cold..If you hear it moving ...

...open and hooked up hoses still no heat... On top of the heater matrix is a flap and i suspect that this flap isnt lifting to allow the air through ,on this age car i suspect its a cable and the ...

heater vents have mechanical flaps that open and close when you switch the setting from hot to cold air. Sounds like one of those flaps might of jammed in the cold air or the cable that is attached to

...open and the engine is fully hot. The other heater hose should be very slightly less hot. If one hose is warm and the other is relatively cool, it is likely an air lock is preventing flow and it will ...

...probably broken so that when you turn the knob to cold the heater flap doesn't move. Put your hand under the bulkhead and you should be able to move the flap. Sounds like the heater flap is stick ...

...heater valve is opening. If not open it manually and check the heat level. If that produced heat check the condition of the heater vale cable (or vaccum hose). Hello, Check line in/line out of heater ...

...open position (or no thermostat, sometimes people remove them when their car overheats, and this should not be done). Here's how the system works: the heater 'box' contains a heater core (a mini ...