Defogger Heater Problems of Chevrolet Impala

The contact owns a 2002 Chevrolet Impala. While driving various speeds, there was a faint burning order inside the vehicle while the heat was activated. The failure occurred on several occasions. The contact received notification of NHTSA campaign number: 15v701000 (engine and engine cooling), however, the part to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the failure. The approximate failure mileage was 64,000. VIN tool confirms parts not available.

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The contact owns a 2010 Chevrolet Impala. While driving approximately 45 mph, the contact heard an abnormal noise near the front end of the vehicle. The contact discovered that the heating and air conditioner failed. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 88,000.

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Heat no longer working.

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1) new 2007 chevy Impala picked up 12/4/2006 with 6 miles on it. Heater worked when picked up. 2) drove car 12/5/2006 about 30 miles and heater did not work on freeway nor did fan, vents, ac, or heat. 3) problem not resolved yet. The next time I started the car after my 30 mile trip the heater came on when the ignition was started and the problem has not been seen again. I dropped it at a chevy dealer to evaluate.

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Heater quit working, then car started overheating. Turning off heater/defroster causes it to stop overheating so much, but temperature still rises when waiting at lights. Car is also needing oil replacement, after having an oil change 2 months and 1500 mi ago. Mileage is around 60,000. There is oil leaking out in various places around the engine.

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Heater core in my 1996 Impala is constantly clogging, therefore no heat and no defrosters. Cooling system flushed 2 times by Chevrolet garage. They have no way to correct the problem. This problem is nation wide and not a local issue.

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Consumer complains of odor coming from venting system of vehicle. Dealer cleaned and disinfected the system, but odor persists. Mold collects on the evaporator of venting system. Ts.

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Heater core blocked-no defrost capability-vision obstructed-dangerous situation-the Impala club has hundreds of reports of this defect which appears due to the dex-cool anti freeze installed by GMC at the factory. According to input from the membership replacement of the core, flushing the system, replacement of the radiator and refilling with traditional anti freeze corrects the problem. Failure in the systems with the dex-cool occurs in as little as 11,000 miles but many failures seem to occur at 40,000 to 50,000 miles. The dex-cool is stated to last for 100,000 miles. Gm is presently refusing to correct the defect.

Clogged heater core due to dex-cool coolant in car. Took two trips to dealer to get fixed, and then only after giving them the TSB. Dex-cool coolant is known for causing heater core blockage, but gm refuses to admit it, or offer an alternative. As the warranty on many of these vehicles is wearing out, cost of this constant flushing of the core is put on the owner. Gm advertises the dexcool coolant does not need to be replaced, or serviced for 100,000 miles. This promise is obviously not being lived up to, and the owners of the cars are the ones paying the price.

Heat doesn't work in the winter. Heater core has to be flushed every winter because of build up. Dealer says that this is rare, never heard before of this problem, and doesn't know its cause.

Dexcool antifreeze clogs heater core, resulting in heater not working. Has happened twice since puchase of car.

Heater does not come on due to heater core being clogged. Dealer has flushed the system, and heater still did not function. Water pump replaced. Appears that a chemical reaction with dex-cool antifreeze, oem stopleak factory tablets, and aluminum and steel components including flow restrictor cause congealing of coolant which causes accelerated loss of heat until complete blockage of the heater core occurs. Dex-cool was not used in previous gm models, and no heat problems existed. Consumer believes a recall is in order.

Heater core clogs up from (dex-cool) antifreeze, resulting in no heat for defrosters causing fogging of the windows, unable to rectify.

Heater core leaking at 37,000 miles costly repair got some assistance after I called 800 number then water pump leaking at 52,000 miles costly repair again no assistance then odometer light failed and had to replace complete speedometer head again very costly I have the popping sound in front suspension have never received anything from manufacturer as to a recall is there one.