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  1. Engine & Drivetrain
    Hello everyone! Does anyone have step by step instructions for changing the spark plugs on a 2nd Gen Acadia? Im mostly concerned about making sure everything is torqued correctly. From what I can tell I'll have to take the intake manifold off to access 3 of the plugs. Any guidance is...
  2. Brakes, Suspension, Wheels & Tires
    I am wondering what tires everyone has picked for their 2017+ Acadia with the 20" wheels and if you have been happy with them? Back when we bought our '17 Acadia used CPO and had the dealer put a fresh set of the OEM Michelin Premier LTX tires. 3.5 years later with only about 21K miles on them...
  3. Engine & Drivetrain
    Hi, I have a 2017 GMC Acadia Denali. It has been driving fine until recently. I went to start it and it wouldn’t start. All the lights came on, it made a clicking noise but we had to push the start button for about 5 minutes off and on for it to start. We’ve tested the battery, alternator, key...
  4. General Tech
    The error steering assist reduced comes up and my check engine light is on. I was low on coolant and added some but it is still there. As I was getting out my partner could hear the fan from inside the house. Anyone else have this issue? The other thread hasn't been active in sometime. I...
  5. Engine & Drivetrain
    Hello Everyone, New to the forum here, happy to be a part of it! I have a 2017 Acadia Denali with ~133,000 miles. About two months ago I noticed a jerking/shuddering at highway speeds, generally between 50-65mph. This only happens under light acceleration or cruising up a slight incline. If...
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