how to check if my car has limited slip differential

[ahmos]

Hi
I have a ford explorer xlt 4.0sohc awd
how to check if it has the limited slip differential
and should i add additive friction modifier to it with new oil
and what if it was the other kind of differntials.
thanks

 

[skeeter123]

Check the driver's door label for axle code; then see look-up table at:

http://www.explorerforum.com/forums/showthread.php?t=239360&highlight=axle+code

Hope this helps.

 

[kenbarls]

Check the driver's door label for axle code; then see look-up table at:

used transfer cases and differentials

Hope this helps.

It's surely helps. But what are the steps should do?