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Re: vent problem on 85 735i (archive)
[ Follow Ups ] [ 7-series (E23) Message Board ] [ Msg. Board FAQ ]
Posted by Brian on October 13, 2000 at 11:19:40:

In Reply to: vent problem on 85 735i posted by james.h on October 12, 2000 at 17:06:23:

This is "default mode", you've got a vacuum leak (assuming pushbuttons OK). As Grant said, give us some more info ...

My experience with other E23 owners/boards is the most likely cause of this is the tee fitting into the vacuum tank under the cowl, or one of the fresh air actuators under the cowl - assuming the vac line from the vacuum pump is good (and the pump doesn't leak). These are exposed to the elements more than the lines/actuators in the car. Take off the cowl to verify the vacuum line/tee is good and plug/clamp the fresh air vent vac lines and tell us what happens.

Good luck

Brian


i was wondering if the vaccum ball is bad because air only blows out defrost vents ??? help




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