2003 Expedition - Acceleration Noise
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2003 Expedition - Acceleration Noise
I have a 2003 Expedition Eddie Bauer Edition with 50,000 miles.
I've noticed that when I reach about 55mph I hear a loud humming noise in the cabin. I know it's related to the acceleration, as when I take my foot off the pedal the noise goes away. When I press the pedal the noise becomes present again. It seems to only occur 55mph to 60mph and then goes away.
Any ideas?
I've noticed that when I reach about 55mph I hear a loud humming noise in the cabin. I know it's related to the acceleration, as when I take my foot off the pedal the noise goes away. When I press the pedal the noise becomes present again. It seems to only occur 55mph to 60mph and then goes away.
Any ideas?
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Joined: Dec 2006
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Very well could be the rear end. If it is, the sound has a weird way of transferring to the front of the vehicle, sounding like there is an engine problem. Had this happen in an F-250 once and you couldn't have a conversation with a passenger over the noise.
If you have a 5.4, they have a subtle engine roar in the rpm range at the speed you were talking about that occurs when the engine is under any kind of load. I notice this in my '99 F-150, my wife's '06 Expy and my Dad's '05 F-150. It could be this as well.
If you have a 5.4, they have a subtle engine roar in the rpm range at the speed you were talking about that occurs when the engine is under any kind of load. I notice this in my '99 F-150, my wife's '06 Expy and my Dad's '05 F-150. It could be this as well.
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