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Old 05-20-2010, 01:22 PM
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Quote:
Originally Posted by jpl View Post
I had something similar
they found it was the secondary pump, of some sort, under the dash on drive side, it came, and then it left, it was sitting on weak rubber bushing, which they replaced, now its silent.... the noise looked like it came true the vent

The e-box fan is located on the passanger side. Humming noise when a/c is on comes clearly from drivers side.
Can someone tell me what is the secondary pump?
Thanks
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