[V8] V8 Digest, Vol 97, Issue 11

[Kneale Brownson]

I have seen those vacuum motors break off their support.  They still 
"work", but do not perform their function because of the lost 
anchorage.  It's old plastic crap.

On 12/26/2011 3:48 PM, Roger M. Woodbury wrote:
>   Berzrappp!  Problem solved I'll betcha.
>
> We have been having a window fogging problem since the beginning of cool
> weather. At first it was only on rare occasions but gradually it has become
> worse.
>
> I had the car inspected for a heater core issue as I thought I could, or at
> least I Imagined that I could smell coolant, very, very faintly.
>
> Well, the heater core was leaking slightly, which explained the slight loss
> of coolant over time.  But the window fogging issue has remained.
>
> At some point last spring we began to experience some issues with the vacuum
> locks not working properly, primarily on the right hand side and tailgate.
>
> Soooooooo, since the heater core is new, I began to wonder about other
> issues and thought the recirc flap might be acutated by a vacuum motor.
> I'll bet the motor may have failed and is the cause of the vacuum leaks on
> the right side.  Or perhaps the vacuum line has failed somewhere near the
> vacuum motor.
>
> I doubt it is a total vacuum pump failure as the left side doors lock
> properly.
>
> Maybe I have been around Audis too long and am thinking like one.
>
> Roger
>
>
>