Hi there,
Thanks for the response! I am shamed to say that the H3 has not even been off-road yet. Excuse is that I have not had the opportunity to do so. For that reason, no water crossings whatsoever.
As to bumps, I actually don't think so. Seems like it happens on a smooth road as well. At least last time it happen, I was paying little more attention and the only way I noticed it was that suddenly the engine quit pulling and the RPM meter went to 0.
I will give them a call. Is the assistance center number somewhere on Hummer.com?
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