Transfer case fluid?

[pwtr02ss]

Ive seen people use synthetic, not sure it hurts anything, I just went off the what it came with front he factory.

 

[NGAneer]

I guess it's true that GM switched to Dexron VI for the later transfer cases. Mine for sure says auto trak II. Go with the manual. At least ATF is easier to find.and cheaper.

 

[swathdiver]

Just purchased a rig like yours, same year and style and mileage. Going to start the 100k service tomorrow. Mine calls for Dexron VI for the 2 speed transfer case, MP3024.

 

[farhanm]

Very nice. I plan to start in the morning as well. Make the most of the long weekend.

I was looking for torque specs for 2009 yukon CL if any for the following. Items

Front diff drain plug
Front diff fill plug

Transfer case drain plug
Transfer case fill plug.


Thanks
--
Farhan

Rear differential fill plug
Rear differential housing bolts


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[NGAneer]

Very nice. I plan to start in the morning as well. Make the most of the long weekend.

I was looking for torque specs for 2009 yukon CL if any for the following. Items

Front diff drain plug
Front diff fill plug

Transfer case drain plug
Transfer case fill plug.


Thanks
--
Farhan

Rear differential fill plug
Rear differential housing bolts


Sent from my iPhone using Tapatalk

http://www.gm-trucks.com/forums/topic/98561-gmt-900-torque-specs/

 

[farhanm]

Thanks Matt, i had gone through that particular thread but wasnt sure if some of the numbers there apply to my truck. based on details on the Wiki page my Truck comes under GMT930 category.

Ill see if the dealer service dept can give me those.

thanks
--
Farhan

 

[NGAneer]

Thanks Matt, i had gone through that particular thread but wasnt sure if some of the numbers there apply to my truck. based on details on the Wiki page my Truck comes under GMT930 category.

Ill see if the dealer service dept can give me those.

thanks
--
Farhan

I just use the GMT900 specs. Same general equipment for all 1500 models.

 

[swathdiver]

Front diff drain plug
Front diff fill plug

Transfer case drain plug
Transfer case fill plug.


Thanks
--
Farhan

Rear differential fill plug
Rear differential housing bolts


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Front Differential Drain and Fill Plugs - 24 Foot Pounds

Transfer Case Drain and Fill Plugs - 13 Foot Pounds

Rear Differential Fill Plug - 24 Foot Pounds

Rear Differential Cover Bolts - 29 Foot Pounds

This information comes from my ALLDATA DIY subscription.

 

[farhanm]

Thanks a lot man, much appreciated


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[08grey]

Why not just use dealer fluid? Its been good so far.

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[farhanm]

finally got done with the fluid change. it went surprisingly easier than i thought it would be. during the rear diff fluid replacement, i also took the spare down and cleaned/lubed the winch assembly.

so far everyting looks good. no leaks yet.

Thanks
--
Farhan

 

[Rosson03]

I did quit a bit of research many said it is a good,high quality oil. I also replaced my front and rear diff with royal purple MAX Gear oil 75W-90.


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Looking to do the same..... Any regrets
Synthetic dex 6 for engine and what about syn dex 6 transmission?

 

[JML07denali]

Looking to do the same..... Any regrets
Synthetic dex 6 for engine and what about syn dex 6 transmission?

No regrets! 28k miles later no issues!


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[swathdiver]

Synthetic dex 6 for engine and what about syn dex 6 transmission?

Say again???

 

[buck91]

Well the manual also says Dexron VI. But I have the selectable dial selector.

So that's what's confusing me.


Here's what's the manual says and a picture of the switch.

Again, I may have misunderstood, but Auto trak II was for the this type of selectable switch and Dexron vi was for AWD with no switch.

Thanks
--
Farhan


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Looks exactly like my 2011. Manual wasn't very helpful and I became worried about it after reading some posts here for Autotrak II since I just changed with Valvoline MaxLife ATF. Well, just spoke with the local dealer who says they are calling for Dex VI.

 

[Rosson03]

So let me see if I got this right

75 W - 90 front and rear

Synthetic dex 6 transfer case

Dex 6 for transmission

Going synthetic blend in the engine

 

[M3kanic]

So let me see if I got this right

75 W - 90 front and rear

Synthetic dex 6 transfer case

Dex 6 for transmission

Going synthetic blend in the engine

Depends if you are awd or 4wd

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[M3kanic]

Also 75w 140 for lsd or you need to add lsd fluid to it for the rear. Most of us just use 15w 140 regular for the front.

 

[buck91]

Depends if you are awd or 4wd

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Not according to my manual. Dex 6 for the xfer.


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[M3kanic]

If you are 4wd you use auto-trac II but if your awd takes dex VI . Unless something has changed since the last time did the research for it.

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