2003 F250 limited slip quit working

[joemcmillen]

My 2003 F250 rear axle (limited slip) has quit working. Only the right tire drives. Can anyone help me with this problem.

2003 F250 Crew, Banks Big Hoss Bundle.

[psd_va]

i have the same problem from what i have read and found out from other people ford was to worried about customer comfort when they designed it and set the clutch packs up too loose and arranged the friction disc "steel clutch steel steel clutch steel etc..." should be "steel clutch steel clutch steel etc..." so i people have rebulit them and changed the order and added another set to tighten it up and supposivly works pretty well.

[03Powerstroker6.0]

mines the same

[willholl79]

I've got the one wheel peel on my 05 as well.

[bockhold]

change the fluid and put the additve in

[joemcmillen]

Thanks for your input. I plan to remove the rear diff. cover and take a look. Expcet to replace the entire clutch pack. Will call Randy's ring & pinion.

[bockhold]

get some pics so i can see what needs done for mine

[Dirk]

Call Just differential and get the yukon rebuild pack. Changing the fluid won't cure your problem. Being a SD, you'll have the 10.5 sterling and SHOULD have the 3 pinion trac lok.

[triumph406]

Originally Posted by psd_va

i have the same problem from what i have read and found out from other people ford was to worried about customer comfort when they designed it and set the clutch packs up too loose and arranged the friction disc "steel clutch steel steel clutch steel etc..." should be "steel clutch steel clutch steel etc..." so i people have rebulit them and changed the order and added another set to tighten it up and supposivly works pretty well.

If the plates are set up correctly, how is this set up when driving around corners in the street in the rain?

I'm thinking of rebuilding mine and setting it up with an extra set of plates, but I'm wondering for a setup that will be used 99.5% on the street, and 0.5% in the dirt, as to whether I'll have problems in the wet. I have a CC LB, which probably makes it less noticeable.

[joemcmillen]

I disassembled the axle and found that the clutch pack was installed as specified (plate, clutch, plate, clutch, etc). 5 of each plate type on both sides as specified in the manual. I did, however notice that I had 0.060" of wear as compared to a new set. I replaced all of the steel discs, clutch plates, shims and belville washers (Ford OEM part). All is good in the world. I did add another 0.030" of shims (0.015" to each side) as an extra measure. The original shim package was 0.060" per side, so my change took it to 0.075" per side. I tried to pack it to 0.115" on each side. but got bucking and popping in turns, so I went with what I stated above.

I also purchased a MagHytech diff cover that added two additional quarts to the total capacity (now 6 qts). I expect the diff to run much cooler (aprox. 15-30 degrees). I used Amsoil severe gear lube (95-140) and put 8oz. of FORD friction modifier in as well.