Question about Monroe 58617 Self Loading Shocks

[ccm2001]

Some people say 75w-90 some say 75w140

Well wich is it ?! 03 explorer sport xlt

 

[Sogsnakebite]

75 140. My diff had a slight whine when I got her, as soon as I switched to royal purple 75 140 it went away I know mine has Ford service history and they installed same grade 3 years ago

 

[SoNic67]

Some people say 75w-90 some say 75w140

Well wich is it ?! 03 explorer sport xlt

What "people"? Don't you have the Owner Manual? Page 187.
If not, get a free one from Ford:
http://www.fleet.ford.com/partsandservice/owner-manuals/