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 runs on regular unleaded.
The height of the 2004 Chevrolet Impala is 4 ft. 9.3 in. (57.3 in.).
The 2004 Chevrolet Impala has a drag coefficient of .31 Cd.
The 2004 Chevrolet Impala is 16 ft. 8 in. (200 in.) long.
The 2004 Chevrolet Impala's turning circle is 38 ft..