Blower Problems of GMC Sierra 1500

GMC Sierra 1500 owners have reported 6 problems related to blower (under the visibility category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Sierra 1500 based on all problems reported for the Sierra 1500.

car image   Blower problem of the 2006 GMC Sierra 1500 1
Failure Date: 11/09/2010

The contact owns a 2006 GMC sierra. While driving approximately 45 mph, the contact noticed a burning odor. She then noticed that the blower motor on the wiring harness melted, causing the vehicle to smoke. The contact called the dealer who offered no assistance. The contact did not inform the manufacture. The vehicle was not repaired. The current mileage was approximately 68,000. The failure mileage was approximately 67,800. The VIN was unavailable.

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car image   Blower problem of the 2006 GMC Sierra 1500 2
Failure Date: 07/23/2010

Loss of fan - blower motor (hvac) high speed operation failure. With loss of high speed fan, other fan speeds (lower) operation became intermittent, works after jiggling blower motor wire bundle at connection point on blower motor resistor. Visual inspection shows melted wire harness connector at blower motor resistor, unable to separate (remove) the connector. Searched NHTSA odi database and found three very related defect complaints - inop fan, smoke and melted wires, fan loss. Fan failure could lead to fire from melted electrical connections, loss of visibility due to windshield icing in winter, fogging over when driving in changing weather. Windshield defroster requires operative fan and defroster is a required safety item. Dealer replaced blower motor electrical connector, wire harness, and fuse, charging parts to warranty and me for the labor. This appears to be a very common defect in this product line. There is a technical service bulletin for the repair including replacement of the connection wiring to insure any melted insulation is removed. This should be a safety recall. Dealer has old parts.

car image   Blower problem of the 2005 GMC Sierra 1500 3
Failure Date: 07/18/2009

The connector that plugs into the blower motor under the glove box became too hot and melted the plastic resulting in the a/c and heat not to work (this includes the windshield defroster). I've been looking up problems and solutions and found that this is a recurring problem with GMC and chevy trucks yet there has not been any recall, in fact the dealerships have an extremely overpriced kit to fix their faulty wiring. About 66,000 mi.

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car image   Blower problem of the 2005 GMC Sierra 1500 4
Failure Date: 05/01/2008

The contact owns a 2005 GMC Sierra 1500. While driving at an unknown speed with the heat activated, the contact smelled something burning coming from the blower motor. Sometimes, after the vehicle was driven, he would smell fuel. When making a left or right turn, one of the rear tires slides and the other one keeps spinning. The contact believes that the failure was caused by the rear differential or the abs. The vehicle has not been diagnosed by a dealer or mechanic at this time. The failure mileage was 205.

car image   Blower problem of the 2005 GMC Sierra 1500 5
Failure Date: 02/18/2008

The contact owns a 2005 GMC Sierra 1500. The contact stated that the resistor melted the grounding wire and caused the blower motor to fail. There is a technical service bulletin (060139002) for the engine and engine cooling. The dealer stated that the vehicle was out of warranty and the repair would be the contact's responsibility. The current mileage was 60,670 and failure mileage was 60,470.

car image   Blower problem of the 2003 GMC Sierra 1500 6
Failure Date: 07/01/2005

Hvac system will hang up on defrost, it will not return to any other position until vehicle is restarted with switch in different position. Also when using vent on the higher fan settings you can hear and feel a surging of air the fan is not a producing a constant flow of air.

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