Differential oil | Ford Explorer - Ford Ranger Forums - Serious Explorations

  • Register Today It's free! This box and some ads will disappear once registered!

Differential oil

chuckwagon101

Well-Known Member
Joined
July 10, 2007
Messages
113
Reaction score
0
City, State
Texas
Year, Model & Trim Level
1999 Explorer sport
I have a 1999 Ford Explorer Sport......6 cylinder.....SOHC .....4 wheel drive....

How do I tell what WEIGHT rear transmission oil to put in? The manual says some take 70-90 and others take 75-140.

Thanks, Chuck
 
<

Join the Elite Explorers $20 Gets rid of the ads!

Elite Explorer members see no advertisements, no banner ads, no double underlined links, can add their own profile photo, upload photo attachments in all forums, and Media Gallery, create and save more private conversations, and more. Join Today. Your support is greatly appreciated.




<



<



<



chuckwagon101

Well-Known Member
Joined
July 10, 2007
Messages
113
Reaction score
0
City, State
Texas
Year, Model & Trim Level
1999 Explorer sport
On the door frame is a sticker that has the word "axle" among others. Under the word "axle" is the number 42
 
<



<



chuckwagon101

Well-Known Member
Joined
July 10, 2007
Messages
113
Reaction score
0
City, State
Texas
Year, Model & Trim Level
1999 Explorer sport
I don't understand "75W-140 should be fine"


Is this the recommended oil for this differential?
 
<



Ronin8002

Explorer Addict
Joined
March 23, 2003
Messages
4,419
Reaction score
12
City, State
Virginia
Year, Model & Trim Level
2008 XLT Ironman
well I do know Ford used to recommend 75W90 but put out a TSB stating to upgrade to 75W140. 75W140 will work fine for you unless you expect to operate the truck a lot in sub zero temps, then you might want the thinner oil.

Edit: corrected 75W90 from typo of 80w90
 
<



Ronin8002

Explorer Addict
Joined
March 23, 2003
Messages
4,419
Reaction score
12
City, State
Virginia
Year, Model & Trim Level
2008 XLT Ironman
also the fact that you have 4.10 gears means that they could run a bit hotter than a numerically lower gear ratio. That, and if you expect to be running in hot weather, also suggests you might want the extra protection that the 75w140 offers over 75W90
 
<



<



<



<



Top