If someone gives you advice, will you follow their advice and fix them yourself ? If not, then what will you do with the advice ? Reason I ask, if you go to a repair shop, and tell them that a person on the Internet told me that this is the problem, they will likely tell you to get lost. You either have to bring it to a shop, and pay them to fix it by their method, or fix it yourself, or do without them. I doubt if anyone on this forum will be able to "fix" them for you without working on your car them self.
Just my $0.02
2018 Equinox LT1 1.5 L 4 cyl, AWD, S/R Cajun Red Tintcoat/Black
2010 Equinox LTZ 2.4 L 4 cyl, FWD, S/R Cardinal Red/Black