An article published by Automotive News said dealerships are having a hard time moving units of the two models out of their lots due to the aquatic insects. Several dealers across the United States have been suffering from low sales and a shortage in supply for the last few months because of the pandemic. With the infestation on the SUVs, dealers are experiencing even more delays in their deliveries.
According to the report, GM released a technical service bulletin notifying Chevrolet and GMC dealers how to properly remove a certain residue from the hoods, chrome trim, and windshields of the Tahoe and Yukon.
The residue was reportedly caused by the SUVs having been stored near a lake, which is a natural habitat for mayflies. A couple of thousand units of the two models are believed to be infested with the insects.
A spokesperson for GM shared more details on the problem, saying it is an isolated matter and that only the SUVs that were built and stored in the Arlington, Texas area are affected. The mayflies, the source said, land on the vehicle and leave a greasy residue on the surface.
About 2,600 units of the Chevy Tahoe and GMC Yukon SUVs are currently undergoing intense cleaning and buffing before being shipped to dealers, although fewer than 100 units actually arrived at dealership lots with the insect problem. GM said the cleaning process is expected to finish by mid-September.