Rear axle fluid
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Junior User
Joined: Feb 2004
Posts: 93
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From: Oregon
Rear axle fluid
I want to change the fluid in my rear axle (2000, f250 SD, 4x4, auto.) I'm a bit confused on which oil to use. The service guy at the Ford dealer looked up my VIN and said I need to use synthetic 75-90W. My owners manual says "75-140W High Performance Synthetic" or "80-90W Premium Rear Axle Lubricant (Dana 135 axles.)" According to the printout the parts guy gave me I have a non-limited slip axle. The printout doesn't say anything about a Dana 135 axle. Which lubricant? Thanks for the help.
FTE Leadership Emeritus
Joined: Sep 2000
Posts: 23,174
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From: Stephensville WI
Your owners manual can be downloaded here:
http://www.motorcraftservice.com/pub.../00f23og3e.pdf
An F-250 will have a Sterling 10.5 rear end. The manual calls for Motorcraft SAE 75W-140 Synthetic Rear Axle Lubricant. 3.3L (6.9 pints)
http://www.motorcraftservice.com/pub.../00f23og3e.pdf
An F-250 will have a Sterling 10.5 rear end. The manual calls for Motorcraft SAE 75W-140 Synthetic Rear Axle Lubricant. 3.3L (6.9 pints)
Junior User
Joined: Sep 2009
Posts: 64
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From: SE PA
Just did this on my '01 250 crew 4x4 w/ Lucas 75/140 and replaced the pumpkin with a Spectre aftermarket cover.
Took right at 6 pints on my 10.5" axle.
Be sure to clean up the fill plug of all the metal particles before putting it back in (yeah, I forgot).
Took right at 6 pints on my 10.5" axle.
Be sure to clean up the fill plug of all the metal particles before putting it back in (yeah, I forgot).
Elder User
Joined: Jul 2008
Posts: 599
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From: Tucker, GA
Yes. I used the Motorcraft stuff - you can find it cheaper on eBay. Mobil 1 and WalMart also make a 75W-140 full synthetic. I used 3.5 quarts.
Look at the tag on your door pillar to find your axle code and determine whether or not you have LS. If so then you'll need a little friction modifier. Some of the Mobil 1 / WalMart fluid already has friction modifier in it so get the right stuff based on your need.
For ~$50 you can also go with the aluminum finned diff cover that Ford started putting on SDs in '08 and later. You'll need 1 1/4 inch bolts if you go this route.
Look at the tag on your door pillar to find your axle code and determine whether or not you have LS. If so then you'll need a little friction modifier. Some of the Mobil 1 / WalMart fluid already has friction modifier in it so get the right stuff based on your need.
For ~$50 you can also go with the aluminum finned diff cover that Ford started putting on SDs in '08 and later. You'll need 1 1/4 inch bolts if you go this route.
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