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  1. Engine & Drivetrain
    Hello everyone, I have a 2010 GMC Acadia with about 225K miles on it, and it all at once started having these issues. Scanned for codes, had mis on every cylinder, timing too far advance bank 1, EVAP (Thats a known issue with wiring on tank), and Bank 1 catalyst efficiency low. Started by...
  2. DIY, Aftermarket/Upgrades
    Hi guys, I have a 2009 Acadia with a 3.6 engine originally I was doing a transmission rebuild. When I removed the trans from the car I turned the crank clockwise to get to the converter bolt out. Prepping the car for installation I needed the flywheel to rotate a 1/4 turn to line up the egg...
  3. Problems, Recalls, TSBs, FAQs & Links
    I recently became aware of the timing chain issue on gm’s 3.6 v6. My dad has 2015 acadia that he has changed the oil in every 3,000 miles because of the dealer. I am about to change his oil and put in amsoil signature. i was going to have him go 7,500 to 10,000 miles before a change. But know...
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