Strange Brew
Dodge Dakota
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8/23/2003
17:44:52
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 Subject: Strange Noise
IP: Logged
Message:
Every so often, I hear a rather loud hum almost, a low horn sounding noise emitting from under the hood. The sound is intermittent and will stop when shutting down and restarting. At first I thought it was the electric fan but it seems to be originating from the right side of the top hat (looking at it from the front) back towards the firewall. There is I guess, are a couple of vacuum lines with an EVAP service port and what looks like a solenoid or diaphragm. That solenoid or diaphragm gives off a vibration, which further leads me to believe that this is where the sound is originating. Any ideas? Anyone else experiencing this. And yes, I did a search, some 30 pages worth.
Anybody that could shed some light on this would be appreciated.
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