These repairs will be performed at no cost to the vehicle owner. Affected components: engine oil cooler lines. Affected vehicles: 2019 Chevy Silverado 1500 2019 GMC Sierra 1500 ...

While 2021 Chevy Express and 2021 GMC Savana models equipped with 4.3L V6 LV1 and 6.6L V8 L8T gasoline engines were both previously fitted as standard with external transmission oil coolers ...

These vehicles may have an improperly fitted transmission oil cooler line. An insecure fitting of the line could result in the transmission fluid contacting a hot surface and potentially causing a ...