Where is the AC charge port on a 2007 chevy impala

SOURCE: 2007 Chevy Impala LT stock stereo

pop out the center trim piece with a flat head screwdriver. Center dash piece may be brushed aluminum or wood grain depending on trim level. It should pop out easily working all the way around it. Then radio is held in with 7mm screws.

SOURCE: 2007 chevy impala

Pricing vary, depending on where you live and if you want it done at a dealership or at a local shop.It would be about 1hour of labor +price of the hose+power steering fluid. Dealer charges about $70.00 an hour.
You can call the dealer ask how much to change the hose. Also a local shop can gave you an estimate.

SOURCE: battery on 2007 chevy impala died last week

Take it back to the place where you bought it and have them test it. Not all 'new' batteries are perfect. Many can be defective from the factory or damaged during shipping etc.

SOURCE: 2000 chevy impala a/c low pressure port

PASS SIDE BY THE DRYER NEAR FIRE WALL.

SOURCE: cant find the ac port

It's normally near the dryer by the firewall, it's round with a black cap.