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Old 01-30-2010, 09:47 PM
tiger27A tiger27A is offline
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Join Date: Jan 2010
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Default '03 Ranger Differential Repair

I am working on my '03 ranger's rear differntial. I thought the only problem was the pinion oil seal, but when I removed that, I found the the front pinion bearing is dorked up. Can I remove that while the diff is still in the truck, or is this beyond a self help project? Special tools needed?

If anyone has specific instructions or suggestions, I'd appreciate it.

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Old 01-31-2010, 05:40 PM
Fx4wannabe01 Fx4wannabe01 is offline
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Join Date: Sep 2009
Posts: 4,058

The axle can stay in the truck...but you'll have to get the carrier out of the housing in order to get the pinion gear out(and the bearings pressed onto it). You'll need a bearing puller and press, as well as a magnetic dial indicator to check backlash, inch-pound torque wrench with dial to check pinion preload, and possibly others.

I suggest just bringing it somewhere. I can't supply step by step instructions, but ff you google "how to set-up gears", i'm sure the info you need can be found there. There's a book I reccommend, it's Randy's Ring & Pinions book called "Differentials". I learned ALOT from that book when I was considering setting up my own gears. It's more info than you need, i know.
'01 XLT disguised as a '03 Fx4 Level II.

Last edited by Fx4wannabe01; 01-31-2010 at 05:42 PM.
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