90 Burb....fan blows only @ floor

[Stringer]

Need more hand-holding, please. Been reading old posts but it's not sinking in, I guess.

Got air and heat but it only blows out the floor vent. It'd be nice to have defrost, etc.! I know the plastic door pull is broken but the cable doesn't have any movement anyway. I mean - moving the selector switch does nothing. I don't hear any actuators actuatin' - no clicking under the dash. Is this most likely a vac problem? Any other thoughts?

finally - new CD - 2-7-12

[kwin]

I have had this problem with some of the Fords in the fleet that I manage, it seems to come down to actuator motors ( vacuum motors in your case ) or jammed flaps. For the new fords it's a $2000.00+ repair!

I know thats not much to work with but i think you are on the right track.

[68Timber]

The switch does fail. If you don't hear it moving air when you move the switch then make sure it is getting vacuum.

[motornut]

check here too,from my 88

[Stringer]

Thanks. I bet defrost in Ottawa is more essential than in North Texas but it's still a PITA not having it. Anybody know of a way to test the actuators-the round thing the vac line is hooked to?

[motornut]

haha can't start the day without it lol
blow and suck......cheap n ez lol
i've used the washer/wiper hose to check them

[Jonboy]

If that clip doesn't fix it, the vacuum switch on the back of the A/C control head may be the culprit. They are prone to going bad, too.

[Stringer]

Thanks to everybody for the help. I think I've got it fixed as of yesterday. A: broken vacuum line under hood. B: broken clip on the blend door. I artfully crafted a Copenhagen lid to take care of that. Next project is getting some lights to work behind the gas gauge. Thanks again.