Fluid's Questions Transfer, Rear
Thread Starter
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Mountain Pass
Joined: Jan 2004
Posts: 210
Likes: 1
From: Ixonia, WI
Fluid's Questions Transfer, Rear
Well this is the first time in the Ranger forum guy's, usually in the SD forum but I have a couple ?'s for the Ranger guy's here. I have a freind with a 97 4x4 Ranger with the 4 liter and a five speed(I think the off road package too). I am going to assist him in changing his transfer, trans, and rear diff fluids. I have read some good posts and found out how and what to use on the trans but the book doesn't tell me (at least I didn't see) what to use on the Transfer or the rear diff. In the rear diff on my SD I used 75W 140 syn. and a couple bottle's of friction modifier for the clutch packs (with LS). Is the ranger the same??? Should I just tell him to get the synthetic anyway even if he does'nt have a Limited Slip?? Also, what about the Transfer case, what type of fluid do they use on the Ranger????
Any imput is much appreciated, thanks in advance.
Brad
Any imput is much appreciated, thanks in advance.
Brad
Postmaster
Joined: Oct 2003
Posts: 4,516
Likes: 1
From: SoCal
Gotta love the way Ford owners manuals only give you the Ford part number for which fluids to use.
But just look up the part number in the owners manual & do a google search on the number to get the real world type of fluid it takes.
But just look up the part number in the owners manual & do a google search on the number to get the real world type of fluid it takes.
Post Fiend
Joined: Jan 2003
Posts: 9,748
Likes: 16
From: Connecticut
Transfer case takes Mercon-rated ATF, same stuff as what's used in many Ford trannies.
The rear diff will do well with synthetic fluid. Ford recommends 80W-90 gear oil but I know a lot of people who use 75W-140 with no problems.
No need for the friction modifier if it's not a LS.
The rear diff will do well with synthetic fluid. Ford recommends 80W-90 gear oil but I know a lot of people who use 75W-140 with no problems.
No need for the friction modifier if it's not a LS.
Thread Starter
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Mountain Pass
Joined: Jan 2004
Posts: 210
Likes: 1
From: Ixonia, WI
Hey thanks for the reply's. The guy's going to be keeping the truck for a while so I think he will want to use the sythetic so I just wanted to make sure that it wouldn't wreck anything. I didn't think it would but wasn't positive so thanks. For the transfer, sounds like I should just have him get the same Mercon V as is used for the trannie. Thanks for the help, keep the ranger's rollin guy's. My 99 v-10 is going strong with 125K on the ticker.
Post Fiend
Joined: Jan 2003
Posts: 9,748
Likes: 16
From: Connecticut
No problem. 
FWIW, although I doubt Mercon V will hurt anything, it does have different (and more) friction modifiers in it (it's a "slippier" fluid than regular Mercon) so it might be better for your buddy to stick with regular Mercon in the TC. If it's synthetic he's looking for in there, he might think about Mobil1 ATF.
P.S. I bet that V-10 has a little pull to it, huh?
FWIW, although I doubt Mercon V will hurt anything, it does have different (and more) friction modifiers in it (it's a "slippier" fluid than regular Mercon) so it might be better for your buddy to stick with regular Mercon in the TC. If it's synthetic he's looking for in there, he might think about Mobil1 ATF.
P.S. I bet that V-10 has a little pull to it, huh?
