Join Date: Jan 2011
Location: Cambridge IL - USA
My 2016 Equinox 3.6 does this when starting cold, I attribute the noise to the belt also.
It doesn't make the noise for an extended time, and isn't very loud.
I never had the dealer check it while under B to B warranty as I expect over time it will wear in and the noise will eventually stop.
2019 Chevy Equinox; 2.0 - LT - FWD - Silver Ice/Redline - Purchased 10/20/2018; Mills Chevrolet, Davenport IA
2016 Chevy Equinox; 3.6 - LTZ-AWD - Black/Black - Purchased 7/7/2016; Mills Chevrolet, Davenport IA
2017 Chevy Malibu; 1.5 - LT - Pepperdust - Purchased 8/2017; Green Chevrolet, East Moline, IL
2009 Chevy Silverado; 5.3 -LT - 4WD - Ext. Cab - Granite Met. - Purchased 02/2009; Green Chevrolet, East Moline IL