G56 fluid change tips ? - Dodge Cummins Diesel Forum
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post #1 of 21 (permalink) Old 11-01-2009, 11:04 PM Thread Starter
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G56 fluid change tips ?

Ok , i did search, alot. I just didnt come up with any good tips. I think the guys with manual trannys just assume that everyone knows how to service them. Well , its been a while since ive owned one. The few ive owned didnt get worked hard enough to even bother with. I read that there are drain plugs and fill plugs on the g56, ANYONE GOT PICS of em. Also , how do we check the fluid level in these suckers ?
Boy i feel stupid asking these seemingly easy questions, but i just havent found these answers yet. I was just learning ALOT about my 06 5.9 too, i had torn that sucker down a few times and was getting purdy good at it too. Any links would be good too.


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post #2 of 21 (permalink) Old 11-02-2009, 12:24 AM
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Drain plug is on the bottom toward the back. Requires a big effin allen. Fill plug is toward the front top of the passenger side. You will probably need a pump to fill it

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post #3 of 21 (permalink) Old 11-02-2009, 11:53 AM
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Allens are big - 1/2" if I remember correctly. Mine were on super tight as well. Needed to get a socket allen to get them off. I filled until fluid ran out of the filler.

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post #4 of 21 (permalink) Old 11-02-2009, 12:19 PM
 
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Mine's too new for me to have any experience with changing the transmission fluid. I did crawl under it and look a when I first got it, if I recall the plugs seemed obvious. My manual offers the following info:

Check the fluid level every oil change.
The fluid level should be even with the bottom of the fill hole.
It uses Mopar ATF+4 fluid, 12.4 pints. (Yep, ATF in a manual.)
Change it every 60,000 miles.
The drain & fill plugs tighten to 42 ft-lbs.

If you can't find or afford a big allen to fit the plug, you can make one by jamming a couple of nuts on an appropriate sized bolt such that the bolt head will fit into the drain plug. Weld the nuts to the bolts if you have access to a welder. Then use a wrench on the jammed nuts to remove/tighten the plug. Put the wrench on the inner nut to remove the plug, outer nut to install. Never pass up an opportunity to make or buy the proper tool!

I didn't find any recommendations in the manual, but I think I'd warm it up prior to changing it and let it drain for a long time. I'd also consider if it's worth the cost of oil analysis on the old oil.
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post #5 of 21 (permalink) Old 11-02-2009, 01:58 PM
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I used a piece of garden horse clamped to the end of a funnel then ran it from the engine bay down to the transmission.

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post #6 of 21 (permalink) Old 11-02-2009, 05:09 PM Thread Starter
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Thanks everyone for the info. I did see the plugs on there, i was just making sure before i did anything. Ive got a HUGE collection of allen wrenches. I dont think ive ever used the 3/4 and bigger one , but ive got some biggens. LOL. I heard of guys taking the shifter off to refill and other wierd things, so i was just needing a few ideas on the HOW TO... Thanks again !

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post #7 of 21 (permalink) Old 11-03-2009, 12:19 PM
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When I replaced my G56 fluid last time, I replaced it with Amsoil ATF and, when placing my order, also ordered their little $8 pump. It worked like a charm. Screws right onto the bottle, has a tube to shove into the fill hole, and pumps a quart of fluid out in about 30 seconds. Made the job very easy and clean. Cleaning the pump afterwards took a bit of time, but it was certainly a worthwhile investment for me. I also used this pump for the transfer case and both differentials.

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post #8 of 21 (permalink) Old 11-03-2009, 12:31 PM Thread Starter
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I assume that the pump was from amsoil , right ?

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post #9 of 21 (permalink) Old 11-03-2009, 12:51 PM
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you can get the pumps at any auto supply store.

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post #10 of 21 (permalink) Old 11-03-2009, 01:16 PM
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Quote:
Originally Posted by mikeshauling View Post
I assume that the pump was from amsoil , right ?
yessir. this is the one i bought:

AMSOIL Synthetic Gear Lube - Gear Oil

as mastercaster posted, im pretty sure you can get them about anywhere. im an amsoil preferred customer though and was already placing an order, so i just threw it in with the rest of the order.

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post #11 of 21 (permalink) Old 11-03-2009, 01:23 PM Thread Starter
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^^ haha, ok. I have a few of those, but didnt think about using them for this. My mother owns a bar and also a restaraunt, these little plastic pumps are used to pump dressings from 1 gal. containers into smaller ones. I will get a new one from her , when i do my fluid changes.

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post #12 of 21 (permalink) Old 11-03-2009, 01:39 PM
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Thinking outside the box. I like that.

Kort: '08 QCSB 4WD CTD G56 4.10: H&S | Draconian | ISSPRO | PureFlow | GDP | South Bend | Carli | DT ProFab | King | Toyo | Method | Softopper
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