2nd Gen Non-Engine/Transmission LSD not working

[RAndrae]

I have an 02 2500 at 5000 MI I put a Mag Hytec cover and replaced the fluid with the purple 75-90 (LE) stuff that mag hytec recommends and the recommended amount of additive. I got the rear end a little twisted the other day and noticed no limited slip. Althogh it works on slick pvement. NOT HAPPY

 

[Chipstien]

You may need to add some LSD friction modifier. Most do though some of you upper line synthetics will already have it added.

 

[tarussell]

Becareful on how much friction modifyer ( sp ) you use. It helps the clutch's slip- not grip . Ford at one time had a version of LSD additive that helped the clutch's grip. I don't know of a part # but an old( knowledgable ) Ford parts person should be able to find it if it is still available.

Some people don't use any friction modifyer at all; the draw back is more clutch noise and chattering around corners. If you do drain your fluid try doing some figure eights in a big parking lot to work the new fluid around the clutch's. Good luck , Thomas