This padded cardboard item is held on by a series of screws and plastic clips that must be removed to service such items as a window switch door lock and window motor and regulator.
Hummer h3 rear door panel removal.
Getting to the sub doesn t involve anything especially tricky but it does involve a lot of steps and a lot of panel removal.
I can only recommend you drive your h3 with the doors off in a offroad or private road setting.
In this video i show you step by step howto remove and replace a broken window motor and the window regulator on all 2003 2009 hummer h2 suv a.
Be careful as you get to the plastic trim piece as there are wires clips inside that you need to pull out carefully take a cross head screwdriver and remove the two screws holding the light assembly in the trim.
Pull the rear door trim off then pull the surrounding plastic trim.
Monsoon equipped h3 s have an 8 subwoofer in the cargo area behind a panel on the driver s side.