We don't have a lot of Hummer H3 suspension problems on file — feel free to add yours here. The most common H3 suspension problems cost $600 to fix & occur at 74,000 miles. Click on a year below.

Worst Suspension Problems
leaf spring broke while driving 2007 Hummer H3
right rear leaf spring broke 2006 Hummer H3
hitting bumbs harder and dipping going over railroad tracks 2007 Hummer H3