What's the 2005 Chevy Avalanche transmission fluid type?

The 2005 Chevrolet Avalanche has A4-speed automatic transmission that needS5 quarts of transmission fluid for the initial fill or 11.2 quarts for the total fill. The recommended F-TYPEor the vehicle is Dexron VI, it used to be recommended to use Dexron II but the recommendation switched. Transmission fluid is hydraulic fluid that helps with gear shifts, helps to cool the transmission and helps to lubricate moving parts. The transmission fluid should be changed every 100,000 miles or so. The cost of the transmission fluid for the truck is anywhere from $6 to $13 per quart, depending on the brand and the store. The cost to do a change is anywhere from $80 to $100 in labor costs and extra for parts.