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GM Investigating Seat Motor Melted Burn Marks And Smoke Smell In Its Cars And Crossovers

GM has instructed its U.S. dealerships to inspect select vehicles across its four North American brands for burn marks and/or smoke smells in the front-seat area.

According to Engineering Information document PIE0773, General Motors has noted that owners of some vehicles noticed a smoke smell around the front-row seating area, while some techs have found melted burn marks around the height adjuster motor under the seats. Due to this, The General is directing its certified GM technicians to determine the root cause of this condition.

It’s worth noting that this is not a service bulletin, service update or recall, and only implicates dealers located in the United States.

Front three-quarter view of the Cadillac XT5 built at the GM Spring Hill plant in Tennessee.

Cadillac XT5

There are a number of GM products involved in this “investigation,” including:

Chevy Malibu.

Chevy Malibu

When one of the vehicles listed above comes into the dealership with reports of a smoke smell or burn marks, GM techs have been instructed to visually inspect the vehicle without altering the vehicle or taking anything apart, as well as ask the owner questions on the nature of the two aforementioned symptoms. This is done to discover what may be creating the problem, and provide GM engineers with the necessary information to develop and validate a field fix

GMC Terrain.

GMC Terrain

If a smoke smell or burn marks are found, techs have been told to open a Product Assistance Claim (or PAC) case. After this, they will contact the engineer listed and provide the VIN of the affected vehicle and PAC number.

Notably, it should take GM techs roughly 30 min to complete their inspections.

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Comments

  1. On this, regulators do treat PHEVs the same as BEVs.

    Just not on other bits.

    Reply
  2. Still better than toyota

    Reply
  3. Sounds like an overheating motor due to being undersized or a poorly designed mechanism with too little mechanical advantage.

    Reply
  4. Well, a year and 4 months ago, I was fired from LDT assembly for 2 cars getting into my team with this fire, 4 teams after seat install where hot drop is done making the connectionto the seats. I was going to get fender flares for a team member that had been out of sequence. Camers show that I hadn’t been around the 2 cars, but I was fired for a tool that I was authorized to have that had been kept in my desk, all with camera footage proving my innocence.

    Reply

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