transfer case oil

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Oct 13, 2002 | 04:21 PM

fordguy76

Thread Starter

Laughing Gas

Joined: Apr 2001

Posts: 1,191

Likes: 4

From: West Union, OH USA

transfer case oil

what weight gear oil should i use in my transfer case? is there any brand you guys prefer?

Oct 13, 2002 | 07:24 PM

garypettengill

Laughing Gas

Joined: Jul 2002

Posts: 843

Likes: 1

From: USA

transfer case oil

My Haynes manual says 140W gear oil for manual transmissions and transfer cases. Personally, I run 80/90W in mine and have for over 20 years with now ill effects. Then again I don't pound it off road either. I have in my plans to rebuild both my auto trans and transfer case this winter (200,000+ mi.) and when I do I will go with synthetic lubes in both.
Gary

Oct 14, 2002 | 11:22 AM

petem

Senior User

Joined: May 2001

Posts: 133

Likes: 0

transfer case oil

Yikes!
If your transfer case is a NP203, do not use gear oil. Gear oil will not lubricate the chain well enough. Ford shop manual recommends 50w.

Oct 16, 2002 | 09:57 PM

fordguy76

Thread Starter

Laughing Gas

Joined: Apr 2001

Posts: 1,191

Likes: 4

From: West Union, OH USA

transfer case oil

its a np205. thanks for the warning though. mine needs rebuilt so hopefully i will get to it this winter. all depends if i can get another vehicle to drive this winter. im 17 still in school, got a job, and play basketball. i really depend on this truck. i love it and want to fix some small problems, just all comes donw to time to do it

Oct 16, 2002 | 10:30 PM

todd_adams2001

Junior User

Joined: Sep 2002

Posts: 83

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From: Putney U.S.A.

transfer case oil

Yep, Garys right. Just got me a Haynes Manuel for my '79 pickup. Says here:

Manual transmission and transfer case lubricant.....
SAE 140W gear oil (Ford no. ESO-M2C83-C)

What it says :+