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Old 02-10-2017, 10:21 AM   #1
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New Allison user-have transyd and maintenance questions

I have an Allison 3000MH in my 2016 Newmar Ventana just bought new.

How much should a TransSyd double fill cost? I looked through the forum and could not find anything recent. I was considering this at the 25K first change interval. I am assuming it does not have TransSyd in it already-correct assumption?

I also see a filter change is due at 5K. How easy is this for DIY? How do I know if I have a 2" or 4" sump?
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Old 02-10-2017, 10:29 AM   #2
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You should already have TranSynd in it.

5000 mile filter change is no longer required as they use a new filter type.
Quote:
New high-capacity filters were released into production beginning with: 6510670912 (3000) 6610205144 (4000) 7110001551 (H 40/50 EP) 6520067342 (3000) 6620002521(4000)

3000/4000 Product Families Transmissions Elimination of Initial Filter Change Requirement and Kit:

Transmissions equipped with Allison high-capacity filters do not require an initial main filter change at 5000 miles/8000 km/200 hours. However, serial numbers prior to those numbers listed above, Allison Transmission requires the initial filter change interval. An initial main filter kit P/N 29540495 (2 inch) or kit P/N 29540496 (4 inch) contains only one Gold series filter and all necessary seals and gaskets to perform the first 5000 mile/8000 km/200 hour main filter change. These kits have been
completely cancelled. Once stock has been depleted, it will be necessary to order the high-capacity filter from the Allison Parts Distribution Center.
Both our DSDP's had 2" sumps.

Easy to change the filters, 6 bolts on each filter. Filter kit comes with full instructions and gaskets. I've done it several times on the 3000MH and now our 4000MH. Be sure you have a torque wrench and use it.

Go here and enter your transmission serial number for full info, most of it useless to an owner.

Here's a link to ST 1099 that covers what you need. http://www.allisontransmission.com/d...s.pdf?sfvrsn=2

After I got the Magna I figured I better change the filters and replace the lost fluid. I found that my trans # was before the new filter change and the old filters said OEM on them. By then it had about 47,000 miles on it an no service had ever been done, not even the required 5,000 mile filter change. That's why I prefer to do my own service!
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Old 02-10-2017, 11:18 AM   #3
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Quote:
Originally Posted by Mr_D View Post
You should already have TranSynd in it.

5000 mile filter change is no longer required as they use a new filter type.Both our DSDP's had 2" sumps.

Easy to change the filters, 6 bolts on each filter. Filter kit comes with full instructions and gaskets. I've done it several times on the 3000MH and now our 4000MH. Be sure you have a torque wrench and use it.

Go here and enter your transmission serial number for full info.

Here's a link to ST 1099 that covers what you need. http://www.allisontransmission.com/d...s.pdf?sfvrsn=2
Thanks for the good news.

Using wild guess numbers in the Allison calculator it comes out to 300K for fluid and 75K for filters. I am assuming since the 5K filter change reference in my owners manual and the 1099 form is outdated because the Allison calculator is the most up to date and does not mention it.
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Old 02-10-2017, 12:50 PM   #4
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Check out the link to JG lube. The owner, Tom Johnson, is a retired Allison engineer and is very helpful in answering all of your fluid related questions.
Annual fluid samples are money well spent as part of your overall maintenance program.

Buy an Engine Oil Analysis Kit Today | Engine Oil Analysis Service
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Old 02-10-2017, 01:27 PM   #5
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Quote:
Originally Posted by RMD3819 View Post
Thanks for the good news.

Using wild guess numbers in the Allison calculator it comes out to 300K for fluid and 75K for filters. I am assuming since the 5K filter change reference in my owners manual and the 1099 form is outdated because the Allison calculator is the most up to date and does not mention it.
What I posted regarding the serial #'s for the new filter came from the 1099 link I posted, they should be the same.
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Old 02-17-2017, 11:25 AM   #6
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info for those 3000 series owners -

the old filter kit #29548987 has been upgraded to a new #29558117. when you order the filter kit, make sure tell the seller to ship the latter only or reject the shipment. many of the allison dealers don't have the new one in stock. knowingly those are different, they might ship the old one to you, because they want to get rid of the old one before get the new one in.

while i was shopping mine i ran into this.
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Old 02-17-2017, 11:36 AM   #7
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Not sure about which calculator you are referencing but filter changes have both a mileage and a time factor. After considerable research and conversation, I have settled on filter changes every three years [approx. 36k miles] and fluid changes every 6 years [note: you will lose a couple qrts to a gallon of fluid during filter change]. Also use periodic fluid analysis to monitor potential contamination issues during the 6-year fluid time period......
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Old 02-21-2017, 08:40 PM   #8
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19 qts when draining and refill. Do not flush. All Allison's shipped from Freightliner since about 2004 have Trans Synd from the factory. The newer filters do not require replacement at 5K mi any more.
If you're like most folks and put about 7-8k mi/yr on the coach, what I do for mine is change oil and filter every 5 years at the same time. If you are concerned, have it tested.
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Old 02-22-2017, 11:48 AM   #9
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Measure the thickness of the bottom section of the tranny. 4 inch sump measure about 3 inches. 2 inch sump measures about 1 1/2 inches.
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Old 02-27-2017, 09:06 AM   #10
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Allison high capacity filter part numbers

All,

Just spoke with the Allison Aftermarket Parts Manager. Below are the latest "High Capacity" filter replacement kit part numbers. These part numbers should be used for servicing all MH3000 or MH4000 Series transmissions. Please pass this information along to whomever has the "need to know".

Note: These part numbers are directly from Allison so you can trust that they are correct.

Thanks !!!
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Old 03-01-2017, 07:53 AM   #11
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Quote:
Originally Posted by Old Scout View Post
Not sure about which calculator you are referencing but filter changes have both a mileage and a time factor. After considerable research and conversation, I have settled on filter changes every three years [approx. 36k miles] and fluid changes every 6 years [note: you will lose a couple qrts to a gallon of fluid during filter change]. Also use periodic fluid analysis to monitor potential contamination issues during the 6-year fluid time period......
Fluid and Filter Calculator
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Old 03-01-2017, 09:31 AM   #12
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Thanks for the link to check by SN. Looks like my 4000 has a 4" sump. Does anybody know how much fluid is lost, changing filters?
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Old 03-01-2017, 03:14 PM   #13
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Thanks, Tom
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Old 03-02-2017, 10:13 AM   #14
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Anybody have any knowledge of how much oil is lost changing filters? Does it increase from a 2" to 4" sump, 3000 or 4000? I am buying filters today and want to pick up some Transynd to replace it. From the few comments I've read, I was thinking a couple gallons would be enough?
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