the backend of my suv would lower while driving then lift back up when restarted on 2005 Buick Rainier

now the rear end will not lift at all.when i start the suv i can hear the the pump tring to lift the backend but it stays dropped.what should i look for to fix problem and where are locations of parts tobe replaced.

Asked by for the 2005 Buick Rainier
0 answers