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Front & rear differential

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Old 02-15-2018
davidseese3@gmail.com's Avatar
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Front & rear differential
Do I need to add anything to my front or rear end differential other than the gear oil ?
 
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Old 02-15-2018
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If you have a limited slip diff you should add a friction modifier. Or just use Mobil 1 synthetic which already has friction modifiers in it.
 
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Old 09-04-2019
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People say service the gear oil @ 100,000 mi. Others quote a "chart" which says 150,000.

My '05 hasn't turned 50K in 19 years. What should I do?
 
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