Coil Spring conversion kit
Don't f*ck with your air suspension, don't try to chase down leaks hahaah, Part # 90006 i got mine for $200 with shipping and im doing the install myself tmrw. Its real easy, i had the same problem with mine so i went to the junkyard and got some coils off a E-150 van.... and they suck., but they have done the job for the past 2-3 weeks. if you go t hrough strutmasters they will sell you a NOICE kit for $600 +++, so my opinion is just fix it in a day and throw $200 at it and then dont EVER worry about the susp. for the life of the truck!