Hi Folks, Same problem here at 9k miles. Cylinder # 1 low compression, dealer takes weeks to get parts, full head, intake valves, lifters, springs, gaskets, etc. It now has foul odor when parked in the garage. Got it back from Weseloh Hummer, Carlsbad today, they can't find source of the burning rubber smell. They said 3 others with same failed engine problem, what gives?
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