Can someone help me!!!

613146

{"text":"1990 Peterbilt triaxle\nDs451p\nDifferential Ratio 4.33\nEaton\nTried everything I know and nothing everything looks good inside except 1 o ring that I replaced took apart and mounted 4 times and nothing, stop working last Friday it just doesn't drive .\nThank you\n\n","pics":"[{\"description\":\"\",\"height\":450.0,\"name\":\"0/ios_15483298025640.png\",\"url\":\"\",\"width\":600.0}]","canComment":true}