Henry Suarez
Well-Known Member
Ford recommends 75w/140.
What Diff oil (brand and weight) do you guys recommend using?
- Thread starter Henry Suarez
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Jacob Dryer
Well-Known Member
I always use mobile one, used it in my ST when I had it, and currently use it in my Jeep.
Johnny O
Well-Known Member
I use Mobil 1. Changed it once already. IMO Mobil 1, Valvoline Synthetic, or Redline are all very good.
Gen 2's are sweet, they have a drain plug in the rear. It is easier to fill if you take the spare tire out.
Gen 2's are sweet, they have a drain plug in the rear. It is easier to fill if you take the spare tire out.
EddieS'04
In Memoriam 1950-2022
Any major syn is good. If you have limited slip. Be sure to put a bottle of motorcraft friction modifier in. Even if the lube says it has it in there. I have found that ford limited slips work the best with their friction modifier. It will mix with what ever brand lube you use.
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The gen 2 has an open diff so you dont "need" the friction additive.........
But i normally add it any way.....
Todd Z
But i normally add it any way.....
Todd Z
EddieS'04
In Memoriam 1950-2022
But i normally add it any way.....
Todd Z
Todd, I was watching a video on a R&P swap. It was a ford open diff. The mechanic did the same. He added the modifier anyway. He didnt explain why though.
![[Ford Explorer & Mazda Navajo (91-01), Mercury Mountaineer (97-01), Explorer Sport (00-03), & Explorer Sport Trac (01-05) Haynes Repair Manual] [By: John H. Haynes] [November, 2005]](https://m.media-amazon.com/images/I/51rNKiwBPpL._SL500_.jpg)
- Joined
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- What engine do you have?
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- What year is your Sport Trac?
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- 2n Gen Owner
There are brass thrust washers in there..... They can use the extra lubrication to lower noise and aid the rears performance...
Todd Z
Todd Z
Johnny O
Well-Known Member
As I recall, Mobil 1 lube says that you don't have to add friction modifier. I don't think it would hurt, I'm just sayin'....
EddieS'04
In Memoriam 1950-2022
Johnny, I swaped my 'stang over to mobil 1 diff lube. I had to go get a bottle of the ford modifier. Clutches chattered bad until I did. The mobil 1 bottle said modifier included. Most likely the wrong formula for ford.:banghead:
