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is250 differential fluid?

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Old 05-20-08, 06:51 PM
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blk250
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Default is250 differential fluid?
I just noticed this today. So how many K miles b4 the fluid need to be replaced?
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Old 05-20-08, 06:59 PM
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That looks like the differential fluid...

For most cars, the fluid can be changed around 90k miles. I dont know about the IS250 specifically..
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Old 05-21-08, 10:09 AM
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I would say at Minimum every 15k or Maximum 30k..

At 15k I plan on draining & refilling myself with Royal Purple synthetic..
After that.. it will be every 30K for me..
So 15k, 45k, 75k .. etc, etc...

Even if the manaul says good till 100K.. I'll be sticking to my plan..

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Old 05-21-08, 10:40 AM
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is that the oil on the rear side of the body?
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Old 05-21-08, 10:46 AM
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Joe Z
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Lightbulb
Originally Posted by tfz_hebe89
is that the oil on the rear side of the body?
huh??

That refill plug (in above pic) is on the passenger side of the differential (rear end)

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Old 05-21-08, 11:24 AM
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Amsoil in my Diffs.
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