Thread: Dif and Tcase fluid change
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Old 10-01-2006, 04:39 PM
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Default Re: Dif and Tcase fluid change
Quote:
Originally Posted by fourfourto
F5 my vin is 136668.
Do i need extra oil now or just when I change it?
Also recomended change would be at 50k is that correct?

Vehicles after 5GTDN136968105387 do not require the extra fluid, so with your VIN the extra fluid is not required. Recommended by GM is 50K using Dexron III.
You can verify this by looking at the bottom of the t/case. If there is a blue dot on the case, extra fluid is not required.
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Last edited by f5fstop : 10-01-2006 at 04:46 PM.
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