My A/C blower does not seem to blow very strong. I checked and there is not a filter under the dash like in most vehicles which get clogged and decreases the air flow. My 07 Chevy truck will blow you out of he truck but the Hummer you have to put it on high just to get average air flow and in the Summer it takes a long time to cool off the vehicle. Anyone have a answer for me? Thanks

 

door that controlls heat and a/c under dash not working i blocked mine off works fine just dont have fine controll

 

Cabin Air Filter retrofit??
Apparently only the early production 2003's came with a removable cabin filter then (in a stroke of genious)they sealed up the box but left the filter inside!
I would guess that by now everyone's filter is due for a change. I simply can't stand the
fact that we can't change our Cabin Air Filters
so I started doing some research about retrofitting a cabin air filter from a 2003 H2 and I found the thread below. Who wants to be the Guiney pig and go first?

Cabin Air Filter Retrofit Kits now Available - Diesel Place : Chevrolet and GMC Diesel Truck Forums