Rear Differential Fluid Drain...Need Help - Page 5 - Dodge Cummins Diesel Forum
2013+ General Discussion General Chit Chat About the 2013 model year differences 6.7L 4th generation Cummins - NO ADVERTISING - Sponsored by: StarLite Diesel

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post #49 of 66 (permalink) Old 03-02-2019, 05:23 AM
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I think he pulled all the bolts, than pryed cover off and it dumped and made a mess. By leaving a couple bolts in you can control how fast it dumps when you break the seal

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post #50 of 66 (permalink) Old 03-02-2019, 09:56 AM
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Originally Posted by tankerpilot01 View Post
Safe to assume this applies to rear diff only (changing fluid at 500-1000 miles) Iíve never followed this procedure for the front diffs...double checking Iím not wrong with that technique!
Yep, the front doesn't do any work, normally. In theory I suppose that the original fluid would outlast the vehicle in most cases, but there has been several reports of milky looking fluid.

I'm guessing that due to the CAD, the spider gears spinning madly in there creates enough heat to help form condensation, but not enough to burn it off.
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post #51 of 66 (permalink) Old 04-20-2019, 12:44 PM
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So why in the hell did Ram use these? Of course I donít have the right tool for these fasteners.



Anybody know the size of these? Why couldnít they use a normal bolt? . I realize this when I get under truck to drain the fluid...s#%&



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post #52 of 66 (permalink) Old 04-20-2019, 02:14 PM
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Torx fasteners are very common these days. You might as well get the correct sockets and bits, because you'll find many more Torx.

And it's not a Ram thing, by the way, but automotive in general.

Maybe if we start telling people that the brain is an app, they will start using it?

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post #53 of 66 (permalink) Old 04-20-2019, 06:33 PM
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You’ll need female/inverted/reverse torx bits for them.
https://m.sears.com/search=female%20torx%20socket
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post #54 of 66 (permalink) Old 04-20-2019, 06:36 PM
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Quote:
Originally Posted by tankerpilot01 View Post
So why in the hell did Ram use these? Of course I donít have the right tool for these fasteners.

Anybody know the size of these? Why couldnít they use a normal bolt? . I realize this when I get under truck to drain the fluid...
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post #55 of 66 (permalink) Old 04-20-2019, 06:45 PM
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Speaking of diffs, after the sixth cleaning of the magnetic plug in about 5,000 miles, now the debris caught on it is looking more like it should. In other words, not all that much.

Then again, until I pull the cover there's no telling how much the extra magnet I put down low on the cover has captured.

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post #56 of 66 (permalink) Old 04-20-2019, 07:02 PM
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Originally Posted by Jimmy N. View Post
Speaking of diffs, after the sixth cleaning of the magnetic plug in about 5,000 miles, now the debris caught on it is looking more like it should. In other words, not all that much.

Then again, until I pull the cover there's no telling how much the extra magnet I put down low on the cover has captured
This reminds me of my younger days, in college, working at a dairy.......they gave the cows a small magnet to swallow, which stayed in their belly, to catch and hold any strays bits of wire from the hay bales.......

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post #57 of 66 (permalink) Old 04-20-2019, 07:08 PM
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I'm betting some of you won't agree but here is my video on the rear differential.

https://youtu.be/KDn8pQRARfI

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post #58 of 66 (permalink) Old 04-20-2019, 08:55 PM
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Quote:
Originally Posted by tankerpilot01 View Post
So Iíll change it before my trip. Then again prior to ďnormalĒ after doing some towing. As I think under severe duty amsoil says 50K with their severe gear 75W90. Not sure Iím comfortable if a lot of they was towing...to go 50K!




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Changed rear diff today. Around 850 miles. Ready to tow around 7K to OK (750 miles) in a couple weeks.

Looks good as far as I can tell....assume to look for wear/nicks/cracks, etc. a little bit on magnet but not much. Just really fine particles...almost like dust.








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post #59 of 66 (permalink) Old 04-21-2019, 04:00 PM
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Iím sure this has been posted but Iím to lazy to look for it so here is my question, do the rams come with synthetic fluid in the diffs from the factory? Thanks for the replies
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post #60 of 66 (permalink) Old 04-21-2019, 04:16 PM
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Appears to be 75w85 synthetic. Doubt its group 4 or 5, probably group 3 but made by who knows.

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