Posts Tagged: Transmission slips GM truck

Fix for a Transmission slips issue on GM trucks

If your transmission slips on a GM truck, get a software update If you own a 2012 Chevy Avalanche, Silverado, Suburban, Tahoe, or GMC Sierra, Yukon with the 5.3L engine and 6L80 automatic Transmission, read this post. GM has issued a service bulletin to address a Transmission slips on a GM truck issue where the transmission flares during a shift. The Transmission slips on a GM truck issue appears as a 2-3 shift flare when cold, especially after sitting for a while. The problem is most prevalent in colder climates … Read More