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Differential problems

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Old Jul 23, 2009 | 03:34 PM
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packy4343
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Differential problems

Well Hello all 1999.5 f250 Super Duty 7.3l 10.5 3.73 rear end,pinon seal was leaking , cover was leaking from pitted holes,rear end was making a whinging noise took cover off used a wire wheel to clean cover an epoxied holes an sanded smooth cleaned out pumpkin an found metal chunks about the size of pencil eraser heads at bottom an plenty of shavings in there as well as on magnet fill plug. reassembled cover to housing an refilled to capacity an with friction modifier
also changed abs sensor on rear diff made my speedo work correctly an cruise work for about a 1000 miles an abs light went out now its doing it again how far do you think ill have to rebuild differential thanks any advice would be helpfull
 
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Old Jul 23, 2009 | 04:42 PM
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CampD
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Gona need a whole new set of gears, sounds like limited slip is gone. You can get the whole assy, look on here for sponsers
 
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Old Jul 23, 2009 | 05:01 PM
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Destroya
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At this point a salvage yard 10.5" axle would be about an equal price to the repairs you'll need to make.
 
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Old Jul 24, 2009 | 11:44 AM
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ok ty I have an whole rearend set coming only diffrence is that it has 4.11 gears , will that make a diffrence in speedometor readings
 
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Old Jul 24, 2009 | 11:57 AM
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rebelyell618
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is your truck 4x4 or 2WD???? since you'll have to have matching gears if its 4x4
 
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Old Jul 24, 2009 | 12:12 PM
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F250Wheels
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Changing the gears will not afect the speedo.
 
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Old Jul 24, 2009 | 12:13 PM
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its a 2 wd just a hauler not an not a rock climber lol.
 
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Old Jul 24, 2009 | 12:16 PM
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ok ty all very much this has been driving me crazy
 
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Old Jul 24, 2009 | 12:19 PM
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tattoo tim
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i have a 91 bronco and swaped a 9 inch in it and reay for a front solid axle swop. BUT i need to know my gears in my 9 inch id tag number is FE-AB 6MD L25 9 38 CAN ANY ONE HELP ME???????? PLEASE!!!!!! tim_bectell@yahoo.com
 
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Old Jul 24, 2009 | 12:24 PM
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Originally Posted by packy4343
ok ty I have an whole rearend set coming only diffrence is that it has 4.11 gears , will that make a diffrence in speedometor readings
It will make a diff in the speedo readings but 4.11 is a nice ratio.
 
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Old Jul 24, 2009 | 01:20 PM
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Originally Posted by EXv10
It will make a diff in the speedo readings but 4.11 is a nice ratio.
No, the tone ring is on the ring gear in superduty trucks. A gear swap will not affect speedo calibration.
 
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