2003 Chevrolet Impala Sedan - Reliability

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Base Sedan (3.4L V6 4-speed Automatic)

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Reliability Rating for 2003 Chevrolet Impala Sedan by Identifix

Ratings Key

Minimal Problems

Moderate Problems

Significant Problems

	Rating	Comments
Engine		A common problem on this vehicle is the failure of the Upper Intake Manifold and Gaskets and an occasional problem is failure of the Oil Pan Gasket (3.8L engines only). The cost to repair the Intake Manifold and Gaskets is $421.00 for parts and $247.00 for labor. The cost to repair the Oil Pan Gasket is $46.00 for parts and $117.00 for labor. All prices are estimates based on $65.00 per flat rate hour and do not include diagnostic time or any applicable tax.
Transmission & Driveline		Occasional problems on this vehicle are failures of the connections at the Transmission Pass-Thru Connector. Failure of the connections at the Transmission Pass-Thru Connector is identified in TSB # 02-07-30-022B. The cost to repair the Transmission Pass-Thru Connector is estimated at $10.00 for parts and $65.00 for labor. All prices are estimates based on $65.00 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Steering & Suspension
Brake
Heating & Air Conditioning		An occasional problem on this vehicle is the wiring harness shorting out at the A/C Accumulator Mounting Ring. The cost to repair is estimated at $10.00 for parts and $32.50 for labor. All prices are estimates based on $65.00 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Starting & Charging		An occasional problem on this vehicle is the failure of the Ignition Lock Cylinder Housing. Failure of the Ignition Lock Cylinder Housing may prevent the engine from starting. The cost to repair the Ignition Lock Cylinder Housing is estimated at $238.83 for parts and $84.50 for labor. This labor includes time for reprogramming the theft system. All prices are estimated based on $65.00 per flat rate hour and do not include diagnostic time or applicable taxes.
Accessories		An occasional problem on this vehicle is failure of the Body Control Module (BCM). The cost to repair the Body Control Module (BCM) is estimated at $296.00 for parts and $42.00 for labor. All prices are estimates based on $65.00 per flat rate hour and do not include diagnostic time or applicable taxes.
Overall		3 out of 5

Reliability Ratings displayed above reflect style specific standard features and may vary from aggregated values displayed for the same year in the historical model overviewed bellow.

Reliability History for Chevrolet Impala Sedan by Identifix

	2001	2002	2003	2004	2005
Engine
Transmission & Driveline
Steering & Suspension
Brake
Heating & Air Conditioning
Starting & Charging
Accessories
Overall

Reliability Ratings by Identifix is based from repair shop-reported issues. Though this data may be for years prior to model you are researching, it exposes how reliable this model platform has been historically.

2003 Chevrolet Impala Sedan - Reliability

Reliability Rating for 2003 Chevrolet Impala Sedan by Identifix

Reliability History for Chevrolet Impala Sedan by Identifix

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