How to Replace the Alternator in a 2003 Impala?

Answer The alternator provides power to the electrical components on your 2003 Impala. When you notice that your headlights are very dim, or become aware of other issues such as the battery consistently g... Read More »

Top Q&A For: How to Replace the Alternator in a 2003 Impala

How to Change the Alternator on a 2003 Chevrolet Impala?

The alternator on the 2003 Chevrolet Impala engine provides the proper amount of voltage to the battery and other areas of the engines electrical system. When the engine is running, the alternator ... Read More »

How to Replace the Alternator in a Chevy Impala?

The alternator in a Chevy Impala operates various electrical devices in the vehicle while the engine is running. A voltage regulator keeps the voltage level constant and is usually part of the alte... Read More »

How to Replace the Coolant Fan on a 2003 Impala?

The cooling fan on a 2003 Chevrolet Impala helps circulate air through the radiator so that the coolant that goes through the engine is at a proper temperature. This is an electric fan, so when it ... Read More »

How to Replace Backup Lights on a 2003 Impala?

The backup lamps on your 2003 Chevrolet Impala are located in the applique on the rear of the trunk lid. The backup lamp replacement process involves removing the applique to access the bulbs. The ... Read More »