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Re: Heater Thumping noise



It's the pump circulating the coolant through the heater core.

Jeff Coco
93' 318is sharked


<I'm getting a strange "thumping" type noise coming from
<within my dash, when I have the heat on.  It doesn't matter
<what setting the directional controls are set to or what the
<fan speed is.  It makes a noise about every 10 seconds.
<Does anyone know what this might be?  Thanks.

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