Question about 1997 Mercedes-Benz C-Class

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Air conditioning whistles

I have a 1997 mercedesc 280. The air conditioning whistles. The sound is coming from under the right side of the dash. How can i fix this?

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  • yadayada
    yadayada May 11, 2010

    what tune does it whistle?

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Maybe the sound that you hear come from;a aircon flap not fit properly,freon flow from hose or tube you may buy a insulator tape,you may rap or cover the tube.

Posted on Feb 20, 2009

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When air conditioner is turned on the drivers side blows cold air and passengers side blows hot air, rear dual air blows cold air in to back passengers area.


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prev.gif next.gif HEATING AND AIR CONDITIONING Blower Motor REMOVAL & INSTALLATION Fig. 1: Remove the sound insulator from underneath the passenger side of the instrument panel 91146p69.jpg
Fig. 2: Remove the retaining bolts for the blower motor assembly 91146p61.jpg
The blower motor and fan are serviced as an assembly only.
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  2. Remove the passenger side sound insulator.
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  4. Remove the blower motor retaining screws, then remove blower motor and fan assembly. To install:
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  6. If equipped, connect the blower motor cooling tube.
  7. Attach the electrical connections to the blower motor.
  8. Install the right side sound insulator.
  9. Connect the negative battery cable.

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