Due to the complexity of the job it would be in your best interest to purchase a Haynes Manual. They have tem for your car. Some parts stores or bookstore will have them.
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The 2004 Chevrolet Impala has 12 valves.
The 2004 Chevrolet Impala has a V6 engine.
The 2004 Chevrolet Impala is a gas-powered vehicle.
The 2004 Chevrolet Impala has overhead valves (OHV).
The 2004 Chevrolet Impala has a 4-speed automatic.
Perhaps a bad fan resistor
The 2004 Chevrolet Impala has a drag coefficient of .31 Cd.
The 2004 Chevrolet Impala is 16 ft. 8 in. (200 in.) long.
The curb weight of the 2004 Chevrolet Impala is 3389 lbs..
The 2004 Chevrolet Impala's turning circle is 38 ft..
The height of the 2004 Chevrolet Impala is 4 ft. 9.3 in. (57.3 in.).