Hi y'all, I'm Joel and just bought an 07 H3 with 85k miles for 11.8k on craigs list here in NorCal. After changing all the basic fluids myself, I ran into an issue (post here https://www.hummerforums.com/forum/hummer-h3-17/h3-dropping-out-overdrive-35621/page2/#post365508 ) with the RPMs fluctuating at level to slightly uphill inclines at various speeds. After scratching my head for a week and reading on forums such as these, I finally found someone who had a similar issue. I wrote a reply to the guy who had the issue and a few other members posted some good info on the subject. Hats off the HUMMERZ who nailed it! I did what he recommended and it fined it. God Bless you Bro! Thank you all senior and junior members who are helping newbies like myself get our dream trucks running like the beasts they were meant to be!!

 

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