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4x4 issues....2 different 2000 sd's

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Old Feb 9, 2010 | 01:01 PM
  #1  
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britt
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4x4 issues....2 different 2000 sd's

Issue 1, my truck 2000 v-10.esof light says 4 hi/ 4low engaged, but the axels behind the hubs still spin.so i changed out the vac lines, no help...the transfer case clicks and truck feels like it's in 4x4 but like i said, the axels still spin, if i manually lock the hubs i have 4x4...i've replaced the hubs with new hubs, could the o-ring be bad in them?

issue 2 my dads 2000 v-8 farm truck, seldom use 4x4... used to have sparadic 4x4, i replaced the vac lines to wheels, thought it was fixed....serveral months later i try to get 4x4..no lights on dash, nothing when i lock the hubs i've read the posts around here...think it might be a problem with the actuator. just wanted top run it past you guys and see what ya'll think....thanks
 
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Old Feb 11, 2010 | 12:17 PM
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Britt, you have to check if you have vacuum at the hubs when you turn the switch. I PM'd you a procedure for that, report back here about what you find.
 
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Old Feb 11, 2010 | 01:16 PM
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Art, pm'd you with results...all others...i pulled both vaccum lines from the hubs, plugged one and hooked the vaccum guage to the other, with engine running switched to 4 hi guage moved from zero to about 1-2. switched back to 2 wd, guage didnt move.... i tried to pull a vaccum from each hub to see if they would hold a vaccum, no luck on either hub. i also noticed that the large oil seal, Ford part # F81Z=3254-CB , the outer lip was loose and flopping around on the shaft!anyone with a good procedure to replace this one????
 
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