Jan 1, 2008 · Modules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Operating information and commands are …

Aug 25, 2012 · Hummer Forums - Enthusiast Forum for Hummer Owners Hummer Lineup Hummer H3 How to turn off the GM Passlock anti-theft system on a Hummer H3? Hummer H3 …

Jan 18, 2014 · Better late than never in joining the party, right? Reloader and I installed a transmission cooler in my H3 today, about a week after he did one in his. One of his primary …

Dec 28, 2009 · Hummer H3T - The popular H3 gets the added capabilties of a small pick-up, with the look and performance of the original H3.

Oct 28, 2019 · I'm working on the wife's 07 H3X (170,000 miles). Both rear calipers were sticking causing uneven pad wear, so I decided to bite the bullet and do a full brake system upgrade. …

Jul 12, 2019 · So, I'm looking to get back into a H3 and know to generally avoid 2006 models or ones with specific vins. I'm not expecting perfection In a hummer that is at best approximately …

Jul 25, 2014 · About the 5.3L V8 engine and what I need to do make it work in my 2007 3.7L Hummer H3. So if anyone can help it will be greatly appretiated. The biggest things I need to …

Aug 9, 2012 · Hummer H3 - Finally, a fix for clogged sunroof drain tubes - Sorry guys, I tried to do a 'cut & paste' of my original thread to move it from FAQ to the main forum, figuring it would …

Oct 23, 2012 · This should fix the problem of turning the far left climate control knob off of max cold temp and have it blow hot air with no variable. I did some searching and someone else …

Hummer VIN Decoder - Decode your vehicle identification number