Catalytic Convertor Problems of GMC Terrain

The contact owns a 2012 GMC Terrain. The contact stated when driving approximately 25 mph and stopped the vehicle stalled. There was an engine power reduced warning light on the instrument panel. The vehicle was taken to the unknown local mechanic which diagnosed an unknown failure. The vehicle was repaired; however, the failure reoccurred. The manufacturer was not notified of the failure. The approximate failure mileage was 125,000.

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Tl the contact owns a 2011 GMC Terrain. The contact mentioned that the catalytic converters were eroded and had to be replaced in this vehicle and another Terrain vehicle she owned. The manufacturer acknowledged the failure, but would not cover the repair costs. Hiley Buick GMC of fort worth (3535 w loop 820 s, fort worth, TX 76116, (682) 503-2821) was contacted and also would not cover the repair costs. The manufacturer also stated that the contact would not be reimbursed if the vehicle were repaired by a non-GMC dealer. The repairs were completed by an independent mechanic. The failure mileage was 89,585.

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The contact owns a 2010 GMC Terrain. While driving approximately 30 mph the contact heard a clapping noise coming from the engine. The vehicle was taken to the dealer where the air conditioner compressor was replaced. The contact continued to hear the noise. The vehicle was taken to the dealer a second time where there were other repairs made. The contact was not sure of what repairs were made. The noise continued after the vehicle was repaired. The contact stated that the noise was constant when the vehicle was driven. The manufacturer was contacted and stated that the technicians could not diagnose the failure and offered no further assistance. The vehicle was not repaired. The approximate failure mileage was 15,000. Updated 02/11/11 the check engine valve and catalytic converter assembly were replaced. Updated 04/21/11.

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