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Before I disassemble dash...is this normal or HVAC leak 200 1993

My experience with older 240s (80's vintage) is that the dash vents are always blowing, so one would have to close those vents to route all air flow to the selected button (floor or defrost).

I miss that on my 740. I liked that feature.

As far as the noise, I think that is unusual. I've taken the center console apart on a few 240s to repair vacuum connections at the HVAC selector. I think you could find the leak there, or possibly at a vacuum resevior (sp?) behind the HVAC assembly near the firewall, right on top of the tranny tunnel. I think the vacuum line for this is on the passenger side footwell.

Good luck with the leak-
-Dylan






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