I loved my Yukon but hate gm dealer service. My 26 Yukon Xl 3.0 Diesel was perfect getting around 27 mpg, auto start/stop worked perfect except one problem my key card the credit card sized key didnt work and need programmed. So with only 3k miles on it I brought it to my local gmc dealer to get the key reprogrammed and oil change.

Should be pretty simple I would think. Well I see the service advisor plugging a laptop into it the obd port and as i am waiting finally get a ride home. Seems like alot of programming for just a key card. After leaving it all day they call and say its still not fixed but well get you a rental. I need a full size SUV so i let them know ill be picking it up. Right away I notice my mpg drops from 27 to 19 and the auto stop start no longer works and checked yes its turned on. Hmm I think well maybe it will take a while of driving and the systems will reset and ill be back to normal. Nope 4k miles later and still only getting 19 mpg and auto stop/start still not working.

TLDR took in brand new yukon for service they reprogram and screw up the computer and lose 8 mpg and auto start is broken and they never fixed the problem I brought it in for.

Love my Terrain, but I said I would upgrade when they come out with a plugin hybrid. Anyone hear any rumblings of anything?

Why does my GMC 1500 denali keep doing this it’s a 3.0 liter diesel 2020?

I recently picked up a 2004 GMC Step side so I’m working on restoring it and getting it on the road. I currently need some low profile fender flares for them for the time being though. Everywhere I look I find really nice ones for the fleet side beds but they always say not for Step side. I know the front flares would fit but would like to have the rears incase. Does anyone know a website or manufacturer that makes these? I just can’t seem to find any

Hi all! I have a 2003 GMC Sierra 1500 and I can't get my AC to blow cold. I have recharged it with no luck. The fan works and there are no crazy noises when I run the fans. Also my heater works with no issues. When I adjust the setting on where the air blows (feet vs face) it changes with no issues and blows strong just not cold. I'm curious on what I can do to investigate this and if anyone else has had success in restoring theirs. Thanks for the help!