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differential is bad need to replace

992 views 8 replies 5 participants last post by  Jerry Bransford 
#1 ·
I and a 05 Wrangler X with a 6.0 automatic. It is lifted 3" with 32 in tires. My differential is bad but need to know what is currently in there to replace it. I am also wondering what gears that it has. Also, what is the best gearing for mileage?

Thank You!:surrender:
 
#2 ·
So your choices are to tear into it to see what is busted...or take it into an drivetrain/axle shop.

There should be a metal tab on the rear diff cover with some numbers on it....it will have the gearing ratio.
 
#3 ·
It is doubtful that everything that is part of the differential is bad, can you get some help in determining which parts specifically are bad? The main parts to a differential are two small spider gears and two small side gears... all four of which are very inexpensive & quickly/easily replaced by a competent mechanic.
 
#9 ·
$$$-wise, you would probably be far better off going to a 4x4 shop that does work on Jeeps. Most are used to working on Jeep axles since so many offroaders want different ratio ring & pinion gears or lockers installed & they are pretty competitive.

Many axle shops see nothing but know-nothings who are desperate & may be expecting higher bills than a Jeeper in a 4x4 shop having similar work performed would be.
 
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