Rattling/Buzzing Noise when accelerating
Sounds like your engine may be knocking/pinging. Please see following thread when you have a chance: https://www.hummerforums.com/forum/s...ad.php?t=16847
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JB007
Hummer H3
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Jul 15, 2013 01:41 PM
Mros814
PRIVATE For Sale / Trade Classifieds
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Oct 23, 2012 02:48 PM




