Yes, I had that TSB done that included the control arms, etc. and definitely had a harsher ride afterwards. Where the original ride was dreamy even over speed bumps, the GX suddenly became like a jalopy over every little road imperfection.
I took it back several times to the dealer, who just claimed they didn't know what I was talking about. The mechanic even went for a ride with me, and said it was supposed to feel like that over bumps. Well my husband and I both know how the ride was before and after, and there was a definite difference - just no way to prove it.
Maybe next time before I let anyone do major work on my vehicle I need to attach recording acceleratomers before and after.
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