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Defogger Problems of Chevrolet Impala



Chevrolet Impala owners have reported 14 problems related to defogger (under the visibility category).

car image   Defogger problem of the 2008 Chevrolet Impala 1
Failure Date: 02/06/2014

The contact owns a 2008 Chevrolet Impala. The contact stated that while driving approximately 35 mph, the defroster system was not properly defrosting the rear window and was affecting his visibility. The vehicle was taken to an independent mechanic for diagnostic testing and the mechanic informed the contact that the wiring harness had overheated and was not carrying enough voltage for the vehicle. The mechanic also stated that where the connector was located, the wiring harness was smoldered and could have caused a fire. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 61,000.

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car image   Defogger problem of the 2010 Chevrolet Impala 2
Failure Date: 11/16/2013

The rear defroster stopped working. After investigating the issue I discover the electrical harness connectors holding the wiring for the rear defroster(and all other wires) is burnt. , the electrical connectors are harnesses for wiring leading form the engine area, to the rear of the vehicle for all electrical components, including the rear defroster. Visibly you can see the area that is burnt for the rear defroster. The wiring for the rear defroster is not fused, and in my opinion is a fire hazard. While doing research on this issue I discover that other owners have had these issues, and is very prominent in Impala's between 2006 and up. With out a fuse for the rear defroster there is no safety mechanism preventing a short, or burn out of the components, thus creating the potential for a fire inside the compartment of the vehicle, and the rear defrost not to work.

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car image   Defogger problem of the 2009 Chevrolet Impala 3
Failure Date: 10/16/2013

The contact owns a 2009 Chevrolet Impala. The contact stated that the rear defogger failed to function properly. The contact mentioned that after inspecting the vehicle, he noticed that the wiring harness that supplies power to the rear defogger was melted. The vehicle was not taken to the dealer. The manufacturer was not made aware of the failure. The vehicle was not repaired. The failure mileage was 60,000 and the current mileage was 71,000.

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car image   Defogger problem of the 2008 Chevrolet Impala 4
Failure Date: 02/06/2012

The a/c actuator is making a clicking noise which prevents the defrost system from working properly. It starts to click when the temperature is warm outside but it doesn't do it in the cool temperatures. During cooler temperatures, the car makes a revving noise.

car image   Defogger problem of the 2006 Chevrolet Impala 5
Failure Date: 09/01/2011

Rear defrost does not work, light turns on but does not defrost rear window.

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car image   Defogger problem of the 2003 Chevrolet Impala 6
Failure Date: 11/25/2010

Front windshield defogger blows only cold or hot air- ie gets stuck in one or the other position.

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car image   Defogger problem of the 2003 Chevrolet Impala 7
Failure Date: 02/01/2007

The contact owns a 2003 Chevrolet Impala. The owner's manual stated that the vehicle was supposed to have a breaker or a fuse for the rear defroster. The contact stated that his vehicle is not equipped with this component. The manufacturer informed the contact that he must pay to have the feature added. The VIN and engine size were unknown. The current mileage was 60,000 and failure mileage was 45,000. The consumer stated he didn't request to have the feature added just requested to show him the breaker. Updated 11/07/07.

car image   Defogger problem of the 2004 Chevrolet Impala 8
Failure Date: 01/01/2005

Hvac system in the 2004 Impala has a problem. The ac compreser runs in the heat only mode at temps as low as 30 degrees. This causes the inside windows to fog up on the inside and if the vech is left parked outside all the windows will fog up. The only way to keep all windows clean is to open one of the windows a little and run defrost with at least half speed. If you do not do this the front and side windows fog up and it is very hard to cleat the side windows. This problem is causing my gas mileage to go down and making it hard to drive when it is cold out. Dealer said it is ok. The manual says the ac sould only run above 40 and only in defrost or demist modes.

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car image   Defogger problem of the 2003 Chevrolet Impala 9
Failure Date: 06/01/2004

Vehicle will not defrost without letting into the outside fumes. During winter months the defrosted will let the outside air and gas fumes into the car. Consumer took the vehicle to the dealer who insisted there was nothing they could do. This vehicle and all vehicles produced after 2001 were made this way.

car image   Defogger problem of the 2000 Chevrolet Impala 10
Failure Date: 04/15/2001

Heater is on and everything heats up to point where it is unbearable to touch. Can burn your finger if touching it.

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car image   Defogger problem of the 2000 Chevrolet Impala 11
Failure Date: 12/01/2000

Windshield defroster is of poor design, vents are too small to defrost windshield. Consumer has to stop, get out, and clear windshield. Been to dealer twice, cannot remedy problem.

car image   Defogger problem of the 1996 Chevrolet Impala 12
Failure Date: 02/28/2000

No summary listed for above vehicle.

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car image   Defogger problem of the 1996 Chevrolet Impala 13
Failure Date: 02/09/1999

Heat/defrost has failed twice both times flushed and repaired by myself (ase master cert. Mech. ) both in cold weather defrost would'nt clear windshield for proper visibilty gm claims there is no problem with dex-cool in the system and it's my problem not theirs.

car image   Defogger problem of the 1996 Chevrolet Impala 14
Failure Date: 10/15/1998

Major visability and safety problem caused by defroster/heater failure on most 1996 Impalas due to chemical reaction with new (1996) dex-cool anti-frreeze in heater core causing accelerated loss of heat until complete blockage occurs.


Other Common Visibility related problems of Chevrolet Impala