722.9 Transmission maintenance - Mercedes-Benz Forum
 
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post #1 of 8 (permalink) Old 05-22-2019, 06:16 PM Thread Starter
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722.9 Transmission maintenance

I have an ‘08 ML320 that’s due for maintenance oil & filter change on the transmission.

I see that FCP Euro has a kit that includes a redesigned pan that provides extra oil capacity.
They also offer a ‘better’ filter with the kit.

Any experience with this kit?

Skippy




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post #2 of 8 (permalink) Old 05-23-2019, 09:04 AM
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Does the kit include the tool for the drain plug draining and filling?

More fluid is a good thing. I am not sure what filter they are selling.
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post #3 of 8 (permalink) Old 05-23-2019, 10:06 AM
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Your also going to need a fill tank and a 722.9 adapter.
https://www.toolsource.com/trans-flu...-p-104138.html

youtube has a great video on what is involved.

You have to pump the fluid in thru the drain hole.
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post #4 of 8 (permalink) Old 05-23-2019, 02:19 PM Thread Starter
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Quote:
Originally Posted by Noodles View Post
Does the kit include the tool for the drain plug draining and filling?


Not included.

I agree with more fluid being better.

Further reading suggests that the deeper pan is what is used in the newer 722.9 (2012+) and apparently is backward compatible.

I’m wondering if the fill procedure is the same temperature. Would seem to me that more fluid sitting in the pan is going to affect what comes out as it warms.


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post #5 of 8 (permalink) Old 05-23-2019, 02:20 PM Thread Starter
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Quote:
Originally Posted by rumb View Post
Your also going to need a fill tank and a 722.9 adapter.
https://www.toolsource.com/trans-flu...-p-104138.html

youtube has a great video on what is involved.

You have to pump the fluid in thru the drain hole.


The procedure does seem straight forward. Thanks for the link.


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post #6 of 8 (permalink) Old 05-24-2019, 05:48 AM
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Assenmacher makes the tool for MB dealers. You cn buy just the tip from Amazon for $50. Then
using a decent quality pump style garden sprayer you can build your own tool for well under $100.
We built one for friends indy shop and it works well. We even got the tip from FCP for the DSG 7 speed
Audi/VW transmissions and us the same pump.
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post #7 of 8 (permalink) Old 05-24-2019, 09:53 AM
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I haven't seen this in person and can't speak to it's quality, but this looks to be a good option for $120 (6 liter capacity)
https://www.amazon.com/gp/aw/d/B07J568RG7
They have a larger model (10 liter) if needed for $140
https://www.amazon.com/gp/aw/d/B07GBXKQ9N
Both have 14 adaptor fittings.
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post #8 of 8 (permalink) Old 05-24-2019, 07:09 PM Thread Starter
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In further reading I now understand that there are only two pan versions for the 7 speed prior to 2012. The one with the angled front is the ‘upgraded’ version that provides better flow to the filter.

Thanks for the tool links. I was trying to conjure up a way to use my Mity vac or Motive pressure bleeder, but it looks like a new device is in order.


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