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Oil Seal-Differential

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AweMan said:
My best guess is that the backlash between the ring and pinion is more than O.E.M. specs due to wear on the teeth and or bearings and spacers.
Click to expand...
More likely, IMO, wear/corrosion on the thrust washers for the side gears and spider gears, items 11 & 13 in this drawing.

Oddly enough, these are exactly the components that, according to legend, the additive in GL5 (and GL4) gear oil can attack.
 
Dale,

Ray is correct. When I was having trouble with the right side seal leaking, we replaced the flange and tested it in that exact manner before reinstalling.
 
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