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If it is coming from the rear of the car it is probably the fuel pump. Can be the fuel filter is partially clogged and it is working hard to pump the fuel. replace the fuel filter. Can be tire noise caused by a defect in the tire. Can be a defective wheel bearing. You need to isolate the hum. Or it could just be that your '04 Impala is happy.
What else can I help you with?
Humming noise on a 2004 Lincoln ls?
Its most likely a wheel bearing.
Does the 2004 Chevy impala have front wheel drive?
yes
How do you stop a high pitch humming noise from radio when truck is running in 2004 Chevy truck 1500?
humming noise is a bad ground to the radio. you may have a loose connection. connect a ground wire to frame of truck.
2004 Mercury Mountaineer make a humming noise when the vehicle is in motion?
if it sounds like growling it is a wheel bearing.
Is the 2004 Chevrolet Impala front wheel drive rear wheel drive or four wheel drive?
The 2004 Chevrolet Impala is a front-wheel-drive vehicle. This means that the engine's power is transmitted to the front wheels, which are responsible for both steering and propulsion. Rear-wheel drive would mean the power is sent to the rear wheels, and four-wheel drive would typically allow the driver to manually switch between two-wheel drive and four-wheel drive modes for better traction in certain conditions.
What is the lug pattern on the 2004 Impala?
What is the lug pattern on the 2004 impala?
Dodge ram 2004 transmission humming noise?
i had some type of problem with my Transmission it had a loud humming noise whenever i start, the humming would go away when ever i start moving, but when i came up to a stop sign or a red light the humming would start, my friend who is a very good repair in all type of automotive told me my transmission oil pump was bad, well after he change the transmission oil pump the problem was gone.
How many valves does the 2004 Chevrolet Impala have?
The 2004 Chevrolet Impala has 12 valves.
What size engine does the 2004 Chevrolet Impala have?
The 2004 Chevrolet Impala has a V6 engine.
Why doesn't my 2004 Impala SS tach work?
Where is the tachometer on a 2004 chevy impala ss
Is the 2004 Chevrolet Impala electric or gas?
The 2004 Chevrolet Impala is a gas-powered vehicle.
What is the cam type of the 2004 Chevrolet Impala?
The 2004 Chevrolet Impala has overhead valves (OHV).
