fx4 owners...axle code??? - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 12-01-2006
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fx4 owners...axle code???

My buddy has an 01 XLT with a 8.8 LS

His axle code is R7

He's claiming this is the 31-spline.

I was thinking it's the 28-spline non fx4 axle with l/s.
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Old 12-01-2006
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yeah xtl's r usually a 28 spline. i have a 03 xlt and its a 28 spline. also check
http://therangerstation.com/tech_library/Axles.html
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Old 12-02-2006
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The R7 axle code (8.8, 4.10, L/S) is used for 28-spline and 31-spline axle assemblies. Your friend's 2001 truck came from the factory with a 28, though. The 31-spline was not available on a Ranger before 2002 model year and then only on the FX4.
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Old 01-24-2007
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Look for the Plastic tag on the housing. I have a few FX4 Level II axles. The early ones with the "bad" Torsen are V305C. My later one (2005) is V313L. These are the true 31 Spline heavy duty axles. These are the only Ranger with 31 spline axles.

Easy to tell by looking at them, the actual housing tubes are ~1/2" larger in diameter similar to F150 and Explorer. They also have the larger axle bearings and brake mounting flanges.
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Old 01-24-2007
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V313K...hmm whats the diff? lol
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Old 01-24-2007
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Not sure. I know the only codes I have seen on FX4 LII trucks are V305 or V313. Not sure what the last number identifies. V305C was the original for 2002 with the Torsens that cracked when abused. Then changed to V313.
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Old 01-24-2007
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bob...bob where are you BOB!!! lol
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Old 01-24-2007
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My 03 Level II tag says

N313L
4L10 88 3E15

I don't anything more than that.

Like all LII's, yours came from the factory with the 31-spline 8.8 and the Torsen.
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Old 01-25-2007
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Does the plastic wrap tag near the passenger side leaf say N313L as well? I have only seen Vxxxx and Sxxxx codes on the plastic tag, never an Nxxxx.

Hmm..
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