Taylor 865KS

After suffering through a another winter of cabin fog I finally decided today to address the problem. Thanks to great advice in the archives here I had a pretty good idea of what to do. Sure enough the spring was broken. The pin that runs between the black plastic brackets is not broken so I can re attach the spring to it. Also the vacuum line is disconnected from the nipple on the servo motor. There is no where near enough slack in the line to re attach it so I suspect a PO cut it but I have no idea why. Maybe to keep the door from allowing in fresh air but all he had to do was detach the spring to achieve the same end.
What I am confused about right now is whether the servo motor is mounted as it should be . It is just 'stuck' to the upper portion of the flap door and does have some play in that I can twist it a bit. But even if I get a vacuum hose onto it and can get it to do its thing (which I assume must involve some kind of push rod inside the diaphram extending under vacuum and pushing against the door .. right ?) I do not understand how this would affect the opening and closing of the door. So a few questions:
1) Is the nipple side of the servo supposed to be attached some how to the black plastic bracket that runs in double from the door to the car body ? If yes, how ? , as I do not see anything on the servo that would mate with the bracket. Is there a kludge I can use to attach it securely ?
2) Is the non nipple side of the servo supposed to be stuck/glued as mine is now against the flapper door ? Or should I pry it loose before attaching the other side to the bracket ?

I did go through the Bentley at length but can find no guidance at all there on this issue.
Thanks !<ul><li><a href="http://members.aol.com/c1j1miller/climate.html#Fresh%20air%20flap">http://members.aol.com/c1j1miller/climate.html#Fresh%20air%20flap</a</li></ul>

Tom Faust

I haven't done any work on one in a few years, but as I recall it (sometimes in my dreams) a Mighty Vac was real handy. Lets you pull a vacuum anywhere you wanted. The plastic versions are about $25.00.

A lot of help in tracing vacuum leaks too.

Adam Mowafy

<center><img src="http://pictureposter.audiworld.com/49170/mityvac.jpg"></center><p>Its great for bleeding brakes when your the only person there. Or just testing for vacuume leaks.

IME the metal mityvac's last longer. I think I paid $69.99 for it

Taylor 865KS

my questions about where &amp; how the servo is supposed to be mounted. Once I get that figured out then I believe I can use the car's own vacuum to see if the servo works or not before attaching the spring.

George95

Don't remember how the vacuum motor is mounted, or if it pulls or pushes to open the inside door. But, I do remember that the spring is used to close the vent door on the inside while the vacuum motor pulls it so that the inside door is open. When the inside vent door is closed then the matching outside vent door is open and you draw outside air into the heating system. When the inside vent door is open then the outside vent door is closed and the system recirculates the inside air through the heater. Using barbed plastic hose fittings, and a length of hose, you should be able to extend the cut vacuum line to the vacuum motor and see if it still works. Don't remember under what conditions the climate control activates the vacuum motor.

devil's advocate

didn't you say that it also works with male enhancement pump too?

Adam Mowafy

Is that why you wanted to borrow it?

tonyj

&gt; (which I assume must involve some kind of push
&gt; rod inside the diaphram extending under vacuum
&gt; and pushing against the door .. right ?)

Nope. Not right. The servo is a bellows that contracts (shortens) when vacuum is applied. When that happens it pulls th door closed.

&gt; 1) Is the nipple side of the servo supposed to be
&gt; attached some how to the black plastic bracket
&gt; that runs in double from the door to the car body

Yes. The nipple end of the servo has a flange with two tabs. The tabs fit into the plastic bracket one way and then you twist it 90 degrees to lock it there.

&gt; 2) Is the non nipple side of the servo supposed
&gt; to be stuck/glued as mine is now against the
&gt; flapper door ?

Yes.

&gt; Or should I pry it loose before attaching the
&gt; other side to the bracket

No. It is right that way.

BTW, it will be a real PITA to plug the vacuum line back into the servo when it is in the bracket. That's just the way it is.

Will Ng

ROFL!!

Taylor 865KS

with this car that if anything is NOT a PITA to fix then I am amazed. But I do love the damn thing.
Taylor