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Diesel Fuel, Bio-Diesel & Fluids Forum Discuss and learn about Ultra Low Sulfur Diesel Fuel, Bio-Diesel, Straight Vegetable Oil, Waste Vegetable Oil, Fuel Additives, as well as Motor Oil, ATF, lubes, coolant and other fluids used in your diesel pickup.

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Old 07-23-2013, 05:00 PM
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spongebob spongebob is offline
Join Date: Dec 2005
Location: Klamath falls/keno Oregon
Posts: 244
Default transfer case fluid

book says EXRON III and says "approved for the H-specification on the label"

i can't find this "H" thing on any labels..
06 1ton 4X4 duramax/6speed WT
Hummer wheels :^)
Kennedy dual lift pump
Banks air intake
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Old 11-12-2013, 02:54 PM
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More Power More Power is offline
Join Date: Feb 2000
Location: Montana
Posts: 10,670

I suggest using any Dextron III or IV fully synthetic ATF. You only need 2 quarts, and it has a long service interval.
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Old 11-14-2013, 01:30 PM
Kennedy Kennedy is offline
Long Distance Crew Chief for BMDMAX
Join Date: Mar 2000
Location: Loyal WI US
Posts: 10,766

Just run whatever you run in the transmission.

Don't forget about the pump rub issue.
Kennedy Diesel-owner
More than just a salesman-I use and test the products that I sell on a daily basis!
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