Performing a Drain & Fill on the Aisin AS69RC Transmission - Page 3 - Dodge Cummins Diesel Forum
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post #25 of 138 (permalink) Old 01-31-2015, 10:54 PM Thread Starter
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Cool. Your dually slipping and sliding in that snow?!!
Traction control actually worked pretty good......even though I only have about 5/32nds to 6/32nds average tread depth remaining.


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post #26 of 138 (permalink) Old 03-04-2015, 12:22 AM
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So, Greg, have you serviced the AISIN yet? Just bumping your original thread here...good information. I do have a question.

In your first post, you mentioned the overhaul amount is almost 14 quarts and the service is 7 or so. I take it when we perform the 30k and 60k service, we're only replacing about half the fluid? The rest is tied up the torque converter and other places?


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post #27 of 138 (permalink) Old 03-04-2015, 12:26 AM
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Originally Posted by HorseMan-AR View Post
So, Greg, have you serviced the AISIN yet? Just bumping your original thread here...good information. I do have a question.

In your first post, you mentioned the overhaul amount is almost 14 quarts and the service is 7 or so. I take it when we perform the 30k and 60k service, we're only replacing about half the fluid? The rest is tied up the torque converter and other places?


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Sounds about right to me. You would need to hook it up to a trans fluid exchange machine to get it all out.

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post #28 of 138 (permalink) Old 03-04-2015, 01:11 PM Thread Starter
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So, Greg, have you serviced the AISIN yet? Just bumping your original thread here...good information. I do have a question.

In your first post, you mentioned the overhaul amount is almost 14 quarts and the service is 7 or so. I take it when we perform the 30k and 60k service, we're only replacing about half the fluid? The rest is tied up the torque converter and other places?
Correct.....although it might be interesting to see if there's any additional fluid removed with the actual pan removal while servicing the sump filter.

I hope to find out soon......between the weather and hauling, I've not had much luck at timing this 60K service!!!

May give the neighbor a call and see if I can use his nice shop.....he can pull his semi's in it, so I know my little 3500 will fit easily enough!!!

2018 RAM 4500 Chassis Tradesman Crew Cab 60 C/A 4WD, 6.7L Cummins, AISIN AS69RC Transmission, 4.10 Axle Ratio, Chrome Appearance Group, Keyless Entry, Fog Lamps, Chrome Tubular Steps, 52+22 gallon fuel tanks, 5.0 Radio, Single Disc CD Player, 225/70R19.5 Continental HDRs, Aluminum Wheels, Parkview Backup Camera, Trailer Brake Controller. Equipped with a CM SK Series flatbed w/B&W Turnover Ball. Purchased new April 23, 2018. Currently : 176,194 miles and 3,098 hours as of October 26th, 2019 (Average Miles Per Hour = 56.9)
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post #29 of 138 (permalink) Old 03-04-2015, 06:08 PM
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Yeah and Horesmans truck wil fit in any garage SRW short bed and all. I can put in in the bay with my wife's Jetta! Hey Horseman when you getting that dually?

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post #30 of 138 (permalink) Old 03-04-2015, 11:55 PM
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When I do transmission fluid changes/flushes I don't use a fancy machine, I just find the return line from the cooler and disconnect it then after I refill the trans from the initial drain, fire up the truck and let it pump out several qts, add more and so on until its all been changed. Would this work on the Aisin? Works great on the Allison and many other trannies I've serviced. Some need to be at operating temp in order for the cooler line circuit to flow.

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post #31 of 138 (permalink) Old 03-06-2015, 09:33 AM
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Yeah and Horesmans truck wil fit in any garage SRW short bed and all. I can put in in the bay with my wife's Jetta! Hey Horseman when you getting that dually?

Not happening! Too late now!!

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post #32 of 138 (permalink) Old 03-22-2015, 01:18 AM Thread Starter
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So, Greg, have you serviced the AISIN yet? Just bumping your original thread here...good information.
Cross-referencing some info from this thread https://www.cumminsforum.com/forum/20...nance-day.html into this thread...........

On to the fun stuff.......gaining access to the four Aisin transmission pan bolts closest to the transmission crossmember.

My initial attempt was to use a 1/4" drive nut driver, a universal joint, and a 10 mm socket. FAIL !!! I could not get any combination of the above into the area where the four most rearward bolts were located.

My next attempt was to remove the three nuts that attach the transmission mount to the crossmember, then, using a floorjack, raise it slightly in hopes of gaining enough access to the bolts. FAIL once again....

Upon investigating further.....there was only one last alternative.

Drop the crossmember!!!!

For those of you with the Snow Plow Prep Group or Protection Group, you'll need to remove the transfer case skidplate. Remove the three nuts holding the transmission mount to the crossmember.


Place a floorjack under the transfer case.


On the driver's side crossmember, remove the innermost bolt that attaches the crossmember to the frame. Loosen the outermost bolt a few turns so as to allow the crossmember to pivot.


Better view of the bolt to be removed....


Moving to the passenger side, remove BOTH bolts securing the crossmember to the frame.


It will be a chore, so be prepared to pry downward on the crossmember to get it down enough.

You now have access to the transmission pan bolts !!!


Pic of transmission pan with gasket still attached. Although this is not marketed as a reusable gasket, I'd almost bet it could be reused----at least once. I opted to purchase a new gasket as A)I live 62 miles one-way from my dealer and B)This ASRC fluid is $11.76 per quart.
Note the four small pan magnets.


Pic of old transmission filter.


Pic of new transmission filter.


Pic of new pan gasket.


Pic of transmission with old filter removed.


After cleaning the pan and pan magnets, I used a little shot of this to keep the pan gasket in place while I re-installed the pan.


My driveway has a slight incline to it, so I level the truck up for best draining.


I wish the drain plug was down lower into the pan, as there's a decent amount of residual fluid, even when drained via the drain plug.



I had eight quarts of ASRC fluid at home, as I anticipated I would not lose much more than an extra quart when I dropped the pan. I was quite surprised to find that there's more retained in the pan that does not come out the drain hole than I expected, coupled with a decent amount that floods out when the filter is dropped.

I installed 7 quarts, took a shower, and got ready to meet my wife in Richmond, KY for a dinner date at O'Charley's. Since I was too nasty to test drive the truck after the servicing, I decided I'd clean up, then get the truck to operating temp, then re-check the fluid.

More fun begins.....while I was brushing my teeth, I decided I'd run outside and start the truck. I came back outside, only to find the CEL on. I decided I left something loose in regards to the CCV filter, so I'd check it when I got back.

I drop the truck into reverse......and there was a huge BAMMMMMMM just like someone rear-ended me at about 3--5 mph. I decide to turn the truck off, pull the code, and found I had a P0868---Transmission Fluid Pressure Low. The BAMMMMMM also happened when shifting into drive.....and back & forth.

I think to myself......now this is great.....probably an issue with the seating of the new transmission sump filter...but I was sure I had it in good. I cleared the code, and the problem vanished.

After driving about 18 miles, I was finally to operating temperature. I check the fluid, added 1/2 quart, and re-checked. I added the remaining 1/2 quart and drove on to Richmond. When I got back home, I re-checked and the level was only about 1/8" above the "COLD" mark. I'd bet that I'm a solid 1.5 to 2.0 quarts low as of right now.

2018 RAM 4500 Chassis Tradesman Crew Cab 60 C/A 4WD, 6.7L Cummins, AISIN AS69RC Transmission, 4.10 Axle Ratio, Chrome Appearance Group, Keyless Entry, Fog Lamps, Chrome Tubular Steps, 52+22 gallon fuel tanks, 5.0 Radio, Single Disc CD Player, 225/70R19.5 Continental HDRs, Aluminum Wheels, Parkview Backup Camera, Trailer Brake Controller. Equipped with a CM SK Series flatbed w/B&W Turnover Ball. Purchased new April 23, 2018. Currently : 176,194 miles and 3,098 hours as of October 26th, 2019 (Average Miles Per Hour = 56.9)

Last edited by gsbrockman; 03-22-2015 at 01:31 AM.
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post #33 of 138 (permalink) Old 03-25-2015, 07:53 PM
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Nice write-up! Thanks for pics!

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post #34 of 138 (permalink) Old 03-27-2015, 12:52 AM
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Greg, you see the rusty looking flat head bolt to the left of the yellow sticker? Is that a full hole?

Performing a Drain & Fill on the Aisin AS69RC Transmission-imageuploadedbyag-free1427428309.859598.jpg

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post #35 of 138 (permalink) Old 03-27-2015, 05:35 PM
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Performing a Drain & Fill on the Aisin AS69RC Transmission

Great thread for new RAM 3500 owners like myself who are up on maintenance of insanely priced new diesel pickup trucks. While reading this thread, I got through to AISIN Technical Support and spoke to the Sr. Design Engineer for the AISIN AS69RC that is in my new 2014 RAM 3500 with 6.7L High Output Cummins + AISIN AS69RC Automatic. I was told that both the Mopar ASRC fluid or Mobil ATF 3309 transmission fluid can be used. I also asked, and the transmission can be run up to 130 deg. C (266 deg. F) at which point a warning light will come on. Fluid change intervals are at 30k like it indicates in the owner's manual. Having owned a 2008 GMC 3500HD with an LMM Duramax + Allison 1000, it took calling Allison to find out that Allison Transynd was a much better fluid than the GM fluid...of course the dealership told me running Allison fluid in my GMC would violate my warranty. Lastly not having owned a Cummins, the RAM pdually ulls my 8500 lb. camper much better than the Duramax single wheel where I could not go above 65 mph due to excessive coolant temps. Hop the info. helps
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post #36 of 138 (permalink) Old 03-28-2015, 02:46 AM Thread Starter
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Quote:
Originally Posted by HorseMan-AR View Post
Greg, you see the rusty looking flat head bolt to the left of the yellow sticker? Is that a full hole?

Attachment 350226
Fluid is re-filled through the dipstick tube.

2018 RAM 4500 Chassis Tradesman Crew Cab 60 C/A 4WD, 6.7L Cummins, AISIN AS69RC Transmission, 4.10 Axle Ratio, Chrome Appearance Group, Keyless Entry, Fog Lamps, Chrome Tubular Steps, 52+22 gallon fuel tanks, 5.0 Radio, Single Disc CD Player, 225/70R19.5 Continental HDRs, Aluminum Wheels, Parkview Backup Camera, Trailer Brake Controller. Equipped with a CM SK Series flatbed w/B&W Turnover Ball. Purchased new April 23, 2018. Currently : 176,194 miles and 3,098 hours as of October 26th, 2019 (Average Miles Per Hour = 56.9)
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