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 > Antifreeze in transmission 2010 Duramax??

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Cummins12V98

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Posted: 12/16/21 03:04pm Link  |  Quote  |  Print  |  Notify Moderator

"As far as the tranny cooler in the radiator, it is there for a reason.To keep the fluid from running too cold."

Seems the MD AISIN does not need to be heated up and as mentioned they run cooler than any trans I have heard of.


2015 RAM LongHorn 3500 Dually CrewCab 4X4 CUMMINS/AISIN RearAir 385HP/865TQ 4:10's
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FishOnOne

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Posted: 12/16/21 03:49pm Link  |  Quote  |  Print  |  Notify Moderator

Cummins12V98 wrote:

"If Dodge gets the new true Allison 9 speed this will be a game changer for them and I think many will jump brands to get it."

I find these types of comments entertaining. The AISIN Medium Duty Transmission offered in the 3500, 4500 and 5500 RAM trucks simply does not break. With the straight six Cummins the 6 speeds works great. I tow much more weight than the vast majority on here at 35k combined West Coast with ZERO need for more gears.

My trans temp runs 165 towing or not and when climbing miles of 6% grades it may get as high as 172. OH and the trans is NOT tied to anything other than it's own cooler.


Cummins12V98 public statement just went into the archives for future reference. [emoticon]


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Cummins12V98

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Posted: 12/16/21 04:19pm Link  |  Quote  |  Print  |  Notify Moderator

FishOnOne wrote:

Cummins12V98 wrote:

"If Dodge gets the new true Allison 9 speed this will be a game changer for them and I think many will jump brands to get it."

I find these types of comments entertaining. The AISIN Medium Duty Transmission offered in the 3500, 4500 and 5500 RAM trucks simply does not break. With the straight six Cummins the 6 speeds works great. I tow much more weight than the vast majority on here at 35k combined West Coast with ZERO need for more gears.

My trans temp runs 165 towing or not and when climbing miles of 6% grades it may get as high as 172. OH and the trans is NOT tied to anything other than it's own cooler.


Cummins12V98 public statement just went into the archives for future reference. [emoticon]


As you being the RV,NET RAM expert you know this to be true.

Huntindog

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Posted: 12/16/21 04:34pm Link  |  Quote  |  Print  |  Notify Moderator

Cummins12V98 wrote:

"As far as the tranny cooler in the radiator, it is there for a reason.To keep the fluid from running too cold."

Seems the MD AISIN does not need to be heated up and as mentioned they run cooler than any trans I have heard of.
12V98 wrote:

This sort of issue is another reason I like my AISIN trans. It has a cooler and that's it, no heat exchanger.
12V98 wrote:

My trans temp runs 165 towing or not and when climbing miles of 6% grades it may get as high as 172. OH and the trans is NOT tied to anything other than it's own cooler.
I just looked up your trucks cooling system on Rock Auto. You have two radiators. The secondary does not have a tranny cooler in it. The Primary or Main radiator DOES have a tranny cooler in it.
Look it up for yourself. They even have pictures.



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Grit dog

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Posted: 12/16/21 04:50pm Link  |  Quote  |  Print  |  Notify Moderator

Awwww snap! Here we go....


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ksss

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Posted: 12/16/21 05:39pm Link  |  Quote  |  Print  |  Notify Moderator

Opps the interweb strikes again.

12V98 saying you don't need more gears is based on your subjective opinion, but you don't have anything to compare your 6 speed against. You might just find that the pickup runs better with it (I don't know if you would admit that, but it just might). I would at least give yourself some room to acknowledge that the 9 speed, if that is what comes, might be of benefit. What if it made a good pickup, even better? You don't know, what you don't know.


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larry barnhart

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Posted: 12/16/21 06:06pm Link  |  Quote  |  Print  |  Notify Moderator

what I know is if you have a great running truck like I do nothing else is important. chevman Retiring after this winter again from rving.


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Lantley

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Posted: 12/16/21 06:26pm Link  |  Quote  |  Print  |  Notify Moderator

While I was happy with my 07 Duramax that had 300K on it when I traded.
My 2019 performs noticably better than my 07.
I imagine a 2020 with a 10 speed would be an improvement over my 2019.
I do understand the "If it ain't broke don't fix it" mentality, however our trucks continue to advance and improve over the prior years, even if some refuse to acknowledge those improvements.


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ksss

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Posted: 12/16/21 08:40pm Link  |  Quote  |  Print  |  Notify Moderator

I have the '20 10 speed DRW and an '18 SRW, both are the same spec L5P. The comparisons are pretty interesting. I was good with what the '18 does pulling prior to owning the '20. The '20 is noticeable better. It simply feels like it has more power. The "dead pedal" is gone which great, but I feel the 10 speed makes better use of the power available.

Groover

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Posted: 12/17/21 06:08am Link  |  Quote  |  Print  |  Notify Moderator

ZR1 wrote:

The Allison 1000 transmission that is used with the Duramax is probably one of the best heavy duty transmissions ever made and unmatched in any other brand truck,


While it may have been underrated and extremely reliable at its rating it is no secret that the Allison 1000 held GM's tow rating back for several years. GM finally had to scrap it and build a new transmission to stay competitive with the competition's tow ratings.

I have an Allison in my motorhome on a Freightliner chassis. It is only rated to pull 5,000lbs because of the rating on the Allison. I have often wished that they had put a stronger transmission in it.

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