Question about transfer case service - Jeep Commander Forums: Jeep Commander Forum
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post #1 of 35 (permalink) Old 11-10-2015, 10:40 PM Thread Starter
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Question about transfer case service

It's time for my transfer case to have its oil changed. I myself have never done it. But I'm more then capable at doing it. I'm getting conflicting answers about the fluid. Can I use non mopar Atf4 fluid or can I go to Napa and buy something else?.

While I'm at it my rear diff is due as well. Where is my fill plug. There is a rubber bung on the right middle of the cover but I can seem to find and actual filler plug?

What else should I look for. It's an 07 4.7L with 86,000 miles.

Cheers guys and thanks.

2007 Limited 4.7L
2in. Tuff Country lift, Ultra 195 Crusher BLK 17x8 rims
Toyo Open country AT 265/65/17's
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post #2 of 35 (permalink) Old 11-10-2015, 10:45 PM Thread Starter
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I'm heading to the high desert for thanksgiving and wanted to make sure my fluids were fresh. looks like I'll need a transfer hand pump for both front diff and transfer. I have all tools I need. But does anyone have torque specs for and bolts? Primarily diff cover bolts. I can imagine they need to be torqued.

2007 Limited 4.7L
2in. Tuff Country lift, Ultra 195 Crusher BLK 17x8 rims
Toyo Open country AT 265/65/17's
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post #3 of 35 (permalink) Old 11-11-2015, 01:04 PM
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Front diff:
Fill Plug 44#
Drain Plug 44#

Rear diff:
Cover Bolts 30#
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post #4 of 35 (permalink) Old 11-11-2015, 01:06 PM
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For the rear diff, pull the cover. The rubber plug is the fill hole.
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post #5 of 35 (permalink) Old 11-11-2015, 01:12 PM
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Which Transfer Case do you have?
Quadra-Trac I has the NV140.
Quadra-Trac II and Quadra-Drive II have the NV245.

The NV245 is capable of shifting into 4Low, the NV140 is single speed and can NOT.

If the bottle has "ATF+4" as the label, that means its licensed by Mopar and meets or exceeds all the Mopar ATF+4 specs, i.e. its the same thing that you buy from the Dealer. ATF+4 is synthetic, with an advanced additives package, it is superior to most ATF's you can buy in the store, only a couple of exotic synthetic oil brands offer something better.

The NV140 requires ATF+4, if you're going to substitute another ATF I would use a higher quality synthetic ATF than the recommended ATF+4 (which is also synthetic). I would NOT use any old ATF, like Dexron II, that is inferior to the recommended ATF+4. I used AMSOIL signature synthetic multi-vehicle ATF.

The NV245, some originally came with ATF+4 as the factory fill, but a TSB later changed it to Mopar NV245/247 Transfer Case Fluid. You have to get it at the Dealer. Its Mobil 242 Fluid repackaged, which is a synthetic tractor fluid. Its hard to find in anything less than 5 gallon pails. AMSOIL's makes an equivalent Tractor Fluid that you can you use.

What the FSM says.
Quote:
FRONT AXLE
200MM - Mopar Synthetic Gear Lubricant 75W-140
REAR AXLE
213MM - Mopar Synthetic Gear Lubricant 75W-140
NOTE: ELSD equipped axles require 118 ml (4 ounces) of Limited Slip Additive be added to the lubricant.

TRANSFER CASE
Recommended lubricant for the NV140 transfer case is Mopar ATF+4, Automatic Transmission Fluid.
Recommended lubricant for the NV245 transfer case is Mopar NV245/247 Transfer Case Fluid.
You don't have to buy these from the Dealer, except maybe the Mopar NV245/247 Transfer Case Fluid. Any good quality "SYNTHETIC" Gear Oil 75W-140 will be fine.

If you have Quadra-Drive II, you have the ELSD's and require the 4oz of Mopar Friction Modifier added to the axle fluid. You can find Friction Modifier at NAPA and other auto stores, it "should" work the same, but we don't know if its the exact same as the Mopar Fluid, most don't take the chance and just buy the Mopar Friction Modifier from the Dealer.


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post #6 of 35 (permalink) Old 11-11-2015, 01:14 PM
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Quantities

TRANSFER CASE
NV140 0.65L (1.4 pts.)
NV245 1.8L (3.8 pts.)
FRONT AXLE 0.3 L (2 oz.)
C200F 1.7 L (57.5 oz.)
C200FE 1.7 L (57.5 oz.)*
REAR AXLE 0.3 L (2 oz.)
C213R 2.07 L (70 oz.)
C213RE 2.24L (75.5 oz.)*
*ELSD, add 118 ml (4 oz.) of Friction Modifier.

The "E" after the name of the axle means its an ELSD axle, that come with the Quadra-Drive II.


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post #7 of 35 (permalink) Old 11-11-2015, 01:53 PM
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Follow the Permatex instructions about sealing the cover again. You have 5 minutes to get it together once applying a bead of permatex, then tighten bolts finger tight and give it an hour to cure before torquing the bolts down. There is a Gear Oil specific Permatex RTV now, that I use.


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post #8 of 35 (permalink) Old 11-11-2015, 08:29 PM
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After much Research
most of it on this site

Lucasoil Universal Hydraulic (Tractor) Fluid
is the same thing as the Mopar 245/247 Transfer Case Fluid
& also same as the Amsoil

I bought it at AutoZone in a gallon Jug

Use the Search for this site and look up Hydraulic fluid
you will find other members who have found the same thing

2006 Commander
2006 Liberty
1996 Cherokee
1998 Grand Cherokee
1987 Cherokee
1982 Eagle SX4

Last edited by jeffsmith; 11-11-2015 at 08:43 PM.
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post #9 of 35 (permalink) Old 11-12-2015, 10:50 PM Thread Starter
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Thanks for all the replys. Not sure how I can tell what I have under the jeep. My rear end has 10 bolts and I can shift into 4low. I don't mind going to the dealer for fluid as I have one just down the road a few miles. But I also have Napa,autozone and Orileys within a mile as well.


I tried to download the PDF file for the Manuel but at the moment I only have my iPad until I can get my computer going. Do the transfer case plugs have torque specs?

Cheers Beemer9! Was that 30ft pounds or inch pounds for the cover bolts on the rear?

2007 Limited 4.7L
2in. Tuff Country lift, Ultra 195 Crusher BLK 17x8 rims
Toyo Open country AT 265/65/17's
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post #10 of 35 (permalink) Old 11-12-2015, 11:03 PM Thread Starter
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2007 Limited 4.7L
2in. Tuff Country lift, Ultra 195 Crusher BLK 17x8 rims
Toyo Open country AT 265/65/17's
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