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Old 07-25-2021, 10:52 AM   #1
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Newb here looking for 'instructions'

I entered the world of Class A ownership about a year ago with the purchase of a 2004 Dolphin (gotta correct my signature) on a W22 chassis. I bought it at ~73K and currently at just over 85K. So far - so good.

I want to change out my transmission fluid just because I think it's a good idea. With no service records, I figure I should start my own baseline.

I have read about the 'double drain' method, moving to synthetic Transyn fluid, and today ran across a thread talking about having the fluids analyzed.

Since I have no service history - I don't know what fluid is in there. Should I get a sample analyzed first? (maybe I don't even need to change it). If so - how big a sample?how do I collect it (can't get it to 'pee in a cup' on demand)? And where would I send it for analysis?

I know I will have follow up questions based on the response I get to these first ones, so thanks in advance for everyone's knowledge and help!

Arden
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Old 07-25-2021, 01:16 PM   #2
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Quote:
Originally Posted by smithbill View Post
I entered the world of Class A ownership about a year ago with the purchase of a 2004 Dolphin (gotta correct my signature) on a W22 chassis. I bought it at ~73K and currently at just over 85K. So far - so good.

I want to change out my transmission fluid just because I think it's a good idea. With no service records, I figure I should start my own baseline.

I have read about the 'double drain' method, moving to synthetic Transyn fluid, and today ran across a thread talking about having the fluids analyzed.

Since I have no service history - I don't know what fluid is in there. Should I get a sample analyzed first? (maybe I don't even need to change it). If so - how big a sample?how do I collect it (can't get it to 'pee in a cup' on demand)? And where would I send it for analysis?

I know I will have follow up questions based on the response I get to these first ones, so thanks in advance for everyone's knowledge and help!

Arden
Congrats on you "new" ride. Considering the cost of the ATF needed to do the DIY "double drain", I would consider getting a sampling kit HERE: https://jglubricantservices.com. The testing company is owned by Tom Johnson, know here as "Mr. TranSynd". You can trust the results his analysis will provide.
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