Which transfercase fuild?

[telemike]

I'm going to drain and refill my transfercase. Which of these will work? 2007 4:1 xfercase

Mobil™ 1™ - Automatic Transmission Fluid Part Number: MSATF

• UPC: 71924252011
• Synthetic
• 1 Quart
• Volume (Qt): 1 Quart

Detailed Description

Mobil 1 Synthetic ATF outperforms conventional automatic transmission fluids and helps to provide outstanding resistance to oil breakdown and deposits. The inherently high viscosity index and stability of Mobil 1 Synthetic ATF helps to protect against thermal breakdown at high operating temperatures, while still providing outstanding performance at ambient temperatures as low as -54 Degrees C. Further, it helps to improve overall transmission durability and cleanliness. Mobil 1 Synthetic ATF meets or exceeds the requirements of: JASO 1-A and Ford Mercon V Mobil 1 Synthetic ATF is recommended by ExxonMobil for use in applications requiring: GM Dexron IIIH, GM Dexron IIIG, GM Dexron IIE, GM Dexron IID, GM Dexron II, GM Dexron, Ford Mercon, Voith H55.6335.3X, MAN 339 V1, Volvo 97340 and Volvo 97341

O'Reilly Oil - Automatic Transmission Fluid Part Number: D
Line: ORO

• UPC: 733704724032
• Dexron III-H/Mercon
• Quart

Detailed Description


O'Reilly Dexron(R)III/Mercon(R) and ATF F Automatic Transmission Fluids are manufactured with highly refined oils and performance additives to meet specific automotive manufacturers' specifications and performance requirements. They reduce wear or scoring of gears, clutch bands and discs and provide excellent friction control for smooth shifting and a cooler running transmission; maximum engine performance and protection at all operating temperatures.

• Outstanding resistance to oxidation, sludge and varnish deposits at extreme temperatures.

Castrol Transmax Dextron VI (ATF) Automatic Transmission Fluid (1 Quart)

Coastal/1 qt. Dextron III automatic transmission fluid (autozone)

 

[08H3]

I honestly can't remember the reasoning, but I remember when I changed mine, I wasn't positive which fluid to use. I ended up just buying it at the dealer using the GM part number in the manual. The price was comparable to all the other fluids I had seen at the parts store.

Also, I totally spaced it...I'm overdue for a change myself. Thanks for the service reminder!

 

[4speedfunk]

Me too. I'm finally due for a 40K mile fluid change.

 

[telemike]

Any non GM fluid work? I have to get other stuff at parts store so I just want to get oil there too

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[SolidusJ]

Extreme 4X4 put a suburban on the dyno set 4X4 high with all OEM fluids and then changed EVERYTHING to royal purple synthetic oil an they pick up 15HP and a little over 20 torque on. Due to the less friction on part they were able to move more freely. It was pretty cool to see this and at my 50,000 everything is going synthetic.

 

[digglesworth]

I used the mobile 1 synthetic atf... The owners manual said dex III for my 06. Noted to use something with the type H designation... That's crazy about the royal purple stuff.

 

[telemike]

I went with the Valvoline Dec 6 synthetic

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[JonBishop]

When I did mine I went to o'reilly's auto parts and they told me this stuff hopefully I didn't shoot myself in the foot and get the wrong stuff but so far so good, no weird noises or nothing outa the ordinary

 

[telemike]

I almost got that but went with the synthetic for $1 more. Days it is Dec iii compatible

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[Best4x4]

I've been using Royal Purple in my diff's for years and I love the stuff. Wasn't impressed with their motor oil vs Mobil1, but I have always wanted to try Royal Purple in my transmission and transfer case. I'm not 100% sure, but I think ATF IV is already a full synthetic so any good brand should do.

 

[Dennis]

I have an 06...

My OM originally said to use Dexron III with the H Spec...But..Inserted as a loose page, an amendment was added to disregard that original statement..(I think it was because they stopped making it under Dexron III and was calling it something else) and it said to use this stuff ONLY! I figure how can you friggin go wrong, when it says right on the bottle what it is used for... and I have and have changed it twice now, once every 30,000 miles..absolutely no problems and I do use all the FWD functions once in a while to keep everything limbered up.

and it specifically said not to use Dexron VI..So whatever....I think a good synthetic ATF would work just fine.

 

[Steve #1]

I'm sure this has been discussed and beat to death many times over, but this should be considered THE answer.

From the GM electronic service manual:
Transfer Case Fluid
DEXRON®VI
88861003
88861004
Vehicle Speed Sensor O-Ring
DEXRON®VI

Back when Dexron VI was first released, there was some confusion from B/W in regard to the fluid they wanted in the t/case. They originally came with Dexron IV. B/W did testing and finally approved Dexron VI. In addition, owner manuals are notorious for being incorrect, at times.

I had mine changed when they did the trans flush and they used Dexron VI. Got a great price so I told the dealer to go ahead and do the t/case too.

 

[telemike]

I have an 06...

My OM originally said to use Dexron III with the H Spec...But..Inserted as a loose page, an amendment was added to disregard that original statement..(I think it was because they stopped making it under Dexron III and was calling it something else) and it said to use this stuff ONLY! I figure how can you friggin go wrong, when it says right on the bottle what it is used for... and I have and have changed it twice now, once every 30,000 miles..absolutely no problems and I do use all the FWD functions once in a while to keep everything limbered up.

and it specifically said not to use Dexron VI..So whatever....I think a good synthetic ATF would work just fine.

I see that old report repeated a lot

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[4speedfunk]

You guys got me so confused now.

What the hell is GM's problem anyway?...just tell us the name of the damn fluid instead of some part number (like anybody buys fluids from a dealer). I can see myself walking into an AutoZone like Rain-man and asking..."I need an equivalent to GM #8886103 or #8886104...but not #8886100. Definitely not #886100...definitely not. I'm an excellent driver." I already know I would get the deer-in-the-headlights look from the counter guy. And I already know he would grab the closest can of ATF and say "here...this will work....its wet and slippery".

Is this really that critical? What sort of minute differences can there possibly be between formulas?

 

[Big Mike]

I can't say which is best but I will post whats going in mine when time and $$$ permits.. :thumbs:



http://www.amsoil.com/shop/by-produ...c-automatic-transmission-fluid/?code=ATLQT-EA

 

[4speedfunk]

I've run Amsoil in all sorts of other machines but, this is my first electronic-full-time-transfer-case fluid change. Nearly every supplier says theirs "meets or exceeds OEM fluids"...but, clearly there is a wide range of opinions. I'm not real particular...I just don't want to screw something up.


oh yeah...K-mart sucks.

 

[Dennis]

4speed...I wouldn't over think this too Much..Me and F5 have had lengthy discussions on this subject and I agree with what he says to be his inside working knowledge at GM when he was working for them..so I firmly believe that in the Borg-Warner Transfer case, that Dexron VI is totally acceptable....

 

[Panzer07]

I agree with Dennis.
I been running this in my transfer case for about 8,000 miles and have got no problems yet...I was Wanting To Run Royal Purple Since I Know It Is A Good Brand And I Run It For My Motor Oil And Axels. But I Don't Think They Make one for vehicles requiring dexron Vl.

 

[4speedfunk]

Awesome...Dextron VI it is. Thanks.

 

[alrock]

4speed...I wouldn't over think this too Much..Me and F5 have had lengthy discussions on this subject and I agree with what he says to be his inside working knowledge at GM when he was working for them..so I firmly believe that in the Borg-Warner Transfer case, that Dexron VI is totally acceptable....

You and F5 agreed on something? Gotta mark this day in the calendar!

 

[Zach]

You and F5 agreed on something? Gotta mark this day in the calendar!

Noted as a milestone. Dex 6 is the replacement for dex 3. Dex 6 is a partial synthetic which GM has gone to. You also have the new dexos engine oil which is a partial synthetic. That is entirely another topic. We'll see when we hit that one.

 

[digglesworth]

So here's what throws me for a loop.... My 06 owners manual says dex III-H... Royal purple max atf says compatible with gm dex III-H but not compatible with gm dex VI.... But dex VI is the replacement for dex III..... Sooooooo... Can I run the royal purple cause I've got III-H in there now but I couldn't run the royal purple if I swapped my III-H for VI...?

 

[Dennis]

So here's what throws me for a loop.... My 06 owners manual says dex III-H... Royal purple max atf says compatible with gm dex III-H but not compatible with gm dex VI.... But dex VI is the replacement for dex III..... Sooooooo... Can I run the royal purple cause I've got III-H in there now but I couldn't run the royal purple if I swapped my III-H for VI...?

To be safe, Run your Royal Purple..it will work fine .....why there was a concern in the 06 model not to use DexVI, was because Borg-Warner didn't know if it would work or not yet..since that early bulletin, according to F5, that has been dismissed and DexVI is acceptable in either case or so is your Royal Purple ...Just be sure to drain out all of what is currently in your T/C before you refill.

 

[4speedfunk]

I wonder if the "loose page amendment" (that Dennis was referring to), was inserted into the 06 owners manual due to the plastic shift fork? Perhaps the fluid was found to be "attacking" the plastic material and weakening it? Just a thought.

 

[digglesworth]

Hmmmm. Interesting point... I can't believe they used a piece of plastic for such a critical part in the first place.