replacing fuel pump, 89 90q

[Kneale Brownson]

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Does the 90q have the in-dash air temperature aspirator fan for the climate
control system as in the Type 44 with the automatic CC system?  If so, your
howling may be the motor for the fan that sucks cabin air past the sensor
to help the CC decide whether to let in more heat or more cool.  I've
managed to quiet down this howling by spraying a lubricant (I used a spray
that incorporates teflon) through the grille in the dash.


At 08:43 AM 12/11/2001 -0600, Nathan Engelbert wrote:

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>I'm replacing the fuel pump on my 89 90q after my programming final (love
>the audi gods' wrath during finals week).  Is there anything that I need
>to know other than disconnecting battery and having the bentley for this
>job?  Will I need something to plug fuel lines, special tools, etc?
>
>Also, The howling noise that I thought was coming from the fuel pump
>isn't.  It begins after the car has run for a couple of minutes but the
>heater fan hasn't yet come on.  I was parking my car when the noise came
>last week and when I shut it off, the noise died away.  I started it back
>up and the howl was there again.  I turned off the climate control
>(digital one) and the noise promptly went away.  I experienced the noise a
>couple more times while driving later on last week, but could always get
>it to go away by turning off the climate control.  Ideas?
>
>TIA,
>
>Nathan Engelbert
>89 90q
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