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Re: 2015 Suburban Rumble/Vibration
Posted to Technical Discussion Forum on 9/12/2024 3 Replies

I'll call this the conclusion post. My transmission vendor came out and tuned the Suburban to avoid AFM and stay in V8 mode all the time. I drove the Suburban extensively this morning, I can verify that it never went into V4 mode, and I never felt the shudder ... Login to read more.

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