Have 2017 Colo with 11K miles and just returned from 5,000 mile trip where I spent a lot of time (too much according to herself) watching the battery charge status. Super impressed with truck but have issues with the charging algorithm and wondering what others are experiencing. Mine sometimes...

I had an electrical problem with my 2017 Duramax Colorado. When the dealer fixed that problem they suggested I have my oil cooler lines replaced as they were "rotted". I decided to take a peek for myself. Indeed they are rusty and probably should be replaced. When I asked the dealer for a quote...

I just bought a 2016 Colorado Duramax and the hot idle oil pressure is only 13lpsi is this normal? It was after driving an hour so the oil was definitely up to temp

I have been logging my service history on the website since it was new. Everything was fine until a few days ago I went in to log an oil change. Everything from the first 2 years is gone, even the dealer service work. I kept all the receipts so I still have the history but i put more detail in...

Hey all, I have been snooping this forum for a few years now and due to the fans forum being a non stop downer on diesels, I have jumped ship. My truck Is a 2019 Colorado CCLB Z71 with the minimax. I am a 30's Northern Canadian, living not a very long way from the Arctic Circle in the...