Dan Currier, Author at Transmission Digest
Ghosts in the Machine: Tracking Down Hummer H3 Intermittent Neutral Condition

There have been numerous instances recently of 2006-08 Hummer H3 vehicles arriving on a flatbed, with a stated customer concern of a grinding noise accompanied by a neutral-out while driving down the road. By the time the tow-truck driver drops it at the shop and we begin diagnosis by attempting to duplicate the concern, the “ghost” is gone and the vehicle drives perfectly!