rearend sag/with air system on 1995 Ford Crown Victoria

is there a common problem with the rear air system? never worked on one of these but i am installing a new airbag system on a hotrod. so i do have some general knowlege of how they work. this car is sitting dead bottomed right now so i am looking for a starting point. thanks fastfrank

Asked by for the 1995 Ford Crown Victoria
Check for a leak. You can use a soapy water solution in a spray bottle to check for air leaks. Check that the pump works, etc. You haven't given me much info to work on here...
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The Air compressor could be defeacted...its located under your airfilter holder