Forum Discussion

toban's avatar
toban
Explorer
Sep 19, 2015

How often do you change your differential oil?

I changed mine about 18,000 miles ago ( 4 years) to a semi synthetic 75-90 from a 85-140 because I live in colder climates. What frequency do you change your oil? The truck garage I go to says the ...
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Sully2's avatar
Sully2
Explorer
Sep 19, 2015
mike brez wrote:
I purchased mine used last year with zero service records. It had 65k on it and I'm sure it was never changed. Changed it this year looked like new also. Not sure when I will change it again. Hate that smell.


CC tech support says to change it at 100K miles.....

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