CMoore711
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- Jul 18, 2017
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For a few months I swore all my vibration issues and uncomfortable ride was all due to Magna Ride or the suspension. However, after deeper research and visits to the dealer, it was actually all transmission related. The Torque Converter Clutch was slipping and causing catastrophic vehicle shakes which felt suspension related. They did a transmission triple flush, new internal filter and replaced the TCC. Back to the way a $90,000 suv should feel. It was never suspension related.
My '15 Yukon XL Denali had similar symptoms, and like you the dealership did a triple flush, filter, and reprogrammed the TCM and it's been smooth ever since, actually quite an improvement, been over 15K miles now since that was done.