2008 New Automatic Gasoline Peace, mercy, and blessings of God be upon you. Do you have a Hummer H2 car, and the car lowers from the rear when parked for more than a day? Rear hydraulic core balloons for Hummer H2 are available, new, sporty, from MaxPeedingrods. maXpeedingrods Rear Air Suspension Spring Bag for Hummer H2 V8 2003-2008.