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Discussion Starter #1
So I finally broke down and took the Jeep in to get the transmission and transfer case fluid changed. Jeep is a 2006 Unlimited Rubicon. I wanted to do it myself, but just couldn't find the help and didn't feel comfortable trying it myself. I was also going to have the shop pull the OPDA to inspect the gears, but that is a whole different story. My problems started when I went to pick up the Jeep.

While walking up to the shop, I saw the Jeep parked out front so I took a look above the transmission skid. I had a lot of mud caked in there and wanted to see whether or not they cleared it out when they did the service. Nope, mud is still up there. When I was getting my keys and bill, I asked whether or not they dropped the skid. They said that they didn't have to. That was where my first question comes in. Can a properly equipped shop change the transmission and transfer case fluid without dropping the skid???

Well I took their word for it and went to pay. While looking over the bill, I noticed that the name on the top of the bill was actually my mom and dad. I am named after my father, so I was guessing that was where the confusion came in. While having them fix that, I took another look over everything and noticed that the same part number was listed for both fluids. I questioned it and they verified that they did in fact put the same fluid in both the transmission and the transfer case. Fluid is BG Syncro Shift II. Last product on this page http://www.bgprod.com/products/driveline.html Now through my research, 2 different fluids are needed. I have found no products that list compliant with both Chrysler MS-9224 and ATF+4.

I guess my big question is whether or not they messed up??? Does anyone here have any knowledge of BG products and which would acceptable in the Rubicon???

Oh and I took pictures of the bottle.


 

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Manual or auto trany? With a manual I know for sure you can change the fluid in it and the TC without removing the skid.

As for the BG stuff... I don't know if it is good or bad for the trany and TC. What I DO KNOW is BG does make some good stuff. They make a really good injector cleaner concentrate (k44 or 44k). I know that isn't much help...
 

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Jeepless in PA
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I agree with Eric. I know on a manual you can easily change both fluids without dropping the skid.




For the fluid, this is recommended (as per wanderingtrail.com)


Transfer Case NV241

Amount
4.2 Pints (2.0L)

Fluid, Lubricant or DCX Part
Mopar® ATF+4 Automatic Transmission Fluid

Transmission
Amount
Auto = 8.0 pints (3.8 L) service
17.6 pints (8.3L) overhaul
Additional capacity dependent upon installation of coolers, etc.

Fluid, Lubricant or DCX Part
Mopar® ATF+4



NV3550 = 4.2 pints (1.98L) Fill to bottom edge of plug hole.
Mopar® Manual Transmission Lubricant
Penzoil or Quaker State Synchromesh
 

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Jeepless in PA
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After comparing the product you listed to the Penzoil Synchromesh for a manual transmission, they both have the same rating.

http://www.quakerstate.com/#/products/transmission-fluids/synchromesh


From the BG website
BG 792
BG Syncro Shift® II
BG Syncro Shift® II is a gear lubricant specially formulated for front wheel drive manual transmissions. It does not sacrifice any performance as does engine oil, ATF or conventional gear oil. It provides required thermal stability, low-temperature fluidity, hot rattle suppression, noise dampening at operating temperature, outstanding extreme pressure characteristics, shear stability, smoother shifting characteristics, wear reduction (synchronizer, gears, bearings, shift fork), seal compatibility, and reduced maintenance costs.
 

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BG is alleged to be of good quality. I know several 4x4 shops in CO use the stuff.

For my 06 it's ATF+4 for both the auto tranny and the transfer case. I use Mopar ATF+4.

Yes, you can easily change the fluid in the transfer case without dropping the skid. At least with my Rokmen skid it's a piece of cake. I don't know about the manual tranny but here's the deal with the auto. I know most places hook up the machine and again they typically don't drop the skid. Even the dealership, unless you specifically state you want the pan dropped and cleaned, they don't do it. They hook up the machine and just change the fluid.

Can you use the same fluid in both the manual tranny and the transfer case. It certainly has been debated and there are those that claim just about anything works in the transfer case. I know there are some that run RP manual tranny stuff in the transfer case. I read when one guy was changing his diff fluid he also changed his transfer case using the same fluid.
 

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Discussion Starter #6
Thank you everyone for the quick responses. To answer the first question, it is the 6 speed manual transmission. I guess I feel a little better after reading responses both here and JF. I know nothing is going to suddenly stop working on me. To reword my question though, can 1 fluid be both ATF+4 and MS-9224?

Thank you again.
 

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Hey SRFNLY227, I work in the R&D lab at BG Products. I just checked our cross-reference guide and 792 is what the tranny and transfer-case call for so your in good shape. I'm going to put some fresh BG 792 in my transfer-case before the the Toy Run next weekend.

Todd
 

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Toddrubi04 said:
Hey SRFNLY227, I work in the R&D lab at BG Products. I just checked our cross-reference guide and 792 is what the tranny and transfer-case call for so your in good shape. I'm going to put some fresh BG 792 in my transfer-case before the the Toy Run next weekend.

Todd

Sounds like your good to go SRFNFLY227!
 
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