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2021 Yukon Denali---POS
Previous generation was AFM, not DFM. DFM was used on GM pickups and likely same/very similar in the '21 SUV's, but it is going in a lot more vehicles now. I believe he was saying the problem time frame for lifters was 12/20 - 4/21, which would include 2/21. All seems correct to me. You are...- Nosidam
- Post #39
- Forum: Engine & Drivetrain
