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fan noise
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  1. Generation 1 Volt (2011-2015)
    Gen 1 Ampera/Volt 2015/32k miles When I press the power button, a loud hum starts about 3 seconds after. It stops if I either set the cabin heater Blower fan to 'OFF' or reduce the temperature to 'LOW'. Local Ampera (it's a UK car) Service agent changed the cabin blower motor fan (under the...
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