3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Mobile 1 atf does it meet specs for G56 and transfer case

Old Apr 15, 2008 | 09:24 AM
  #1  
motrapper's Avatar
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From: utah
Mobile 1 atf does it meet specs for G56 and transfer case

it says mecron and mercon 5 and allision 5 and how much does each one hold
thanks
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Old Apr 15, 2008 | 10:02 AM
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Your G 56 and Transfer case require ATF+4. If it meets that spec your good to go. I drive a 4x2 so not sure on the transfercase amount but you put 6 quarts in the G-56..
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Old Apr 15, 2008 | 10:49 AM
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motrapper,

You are correct as the last time I looked at Mobil 1 ATF it was not made for use in Dodge transmissions that required ATF+4 fluid. The only ones I've seen on the store shelf who have approved ATF+4 fluid are Mopar, Valvoline and Wally World brand. IIRC in the full synthetic world only Redline and Amsoil have a ATF+4 fluid.
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Old Apr 15, 2008 | 10:50 AM
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D45
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Mobil 1 AFT will screw up your tcase!

A few years ago, I put some in my old '93 Dakota 4x4's tcase and it would pop out of 4HI.

I then flushed it out and replaced it with Amsoil ATF and it shifted flawlessly.

Still working great to this day with 180,000+ miles on the stock tcase.
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Old Apr 16, 2008 | 01:03 AM
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Use plenty of +4 or else...

https://www.dieseltruckresource.com/...3&d=1207871235
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Old Apr 16, 2008 | 12:21 PM
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Originally Posted by XLR8R

What am i suppose to see in the pic? What happened?

And I called Mobil Oil a few months ago and they say a NO to using the M1 atf in the G56 as it does not meets all requirements.
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Old Apr 16, 2008 | 09:42 PM
  #7  
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It's the guts out of a G56 that was underfilled for most of 80K miles...
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Old Apr 17, 2008 | 12:36 AM
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Any Chrysler rated ATF fluid should be fine. The additive package that designates +4 is mainly for the Automatic transmission.
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