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Old 08-25-2010
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dum question
how do you tell if u have a 7.5 or 8.8 axle i have a 99 4x4 ranger with 4.10 but i dont know what size the are ?? also is there a way to tell what the spline count is without taking the axles out ???
 
Last edited by 0ranger99; 08-26-2010 at 09:50 PM.
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Old 08-25-2010
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look at the diff cover and you will probably see a rusty tag, with a bunch of numbers and letters on it. it will say 8.8 or 7.5 somewhere on it and have your gear ratio on it also

i always found this handy to read

http://www.therangerstation.com/tech_library/Axles.html
 
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Old 08-25-2010
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ya i found the tag and all that can be read on it is that it has 4.10s the rest of the tag is unreadable. Are the diff cover different or the # of bolts used to hold them on ??
 
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Old 08-25-2010
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I know an 8.8 is 10 bolts... not sure about the 7.5.
 
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Old 08-25-2010
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ok i will count them thanks
 
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Old 08-26-2010
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im almost certain you have an 8.8
 
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Old 08-26-2010
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your axle code is listed on your door tag. and either way youll have 28 splines
 
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Old 08-26-2010
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i always thought 4x4s had 8.8
 
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Old 08-26-2010
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ok thanks i will check this weekend
 
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Old 08-27-2010
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i found out that the diff cover are diff for the 7.5 and the 8.8 here is a pic of the differances
 
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Old 08-27-2010
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Couldnt figure out how to get pic up but here is the site.
Picture is all the way at the bottom of the page.
thanks every body for the help

Ford Ranger Axles - The Ranger Station
 
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