Re: ATF change - Mandalorian way. - Saab 9-5 Bulletin Board - Saabnet.com
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Re: ATF change - Mandalorian way.
Posted by Boris Bubbanov [Email] (more from Boris Bubbanov) on Tue, 12 Jan 2021 07:38:05
In Reply to: ATF change - Mandalorian way., siwyjohn, Tue, 5 Jan 2021 00:05:06
We technically weren't supposed to be doing this, but the shop I worked for experienced heavy demand for asbestos clutch packs out of transmissions out of wrecked cars. Rebuilders (our customers) at the the time just didn't have faith in the new clutch packs using non asbestos based materials.
Anyway, to get these sought after clutch packs, we tore down serious numbers of transmissions. I had to know anything the guys working there would tell me. And one of those things was, when they had an existing car and intended to install a shift kit or something, they left the fluid in the converter alone. Even though they had our permission to have all the transmission fluid (from us, no cost) they could personally use in their free time.
I'm the kid who grew up, reading the SAE Journal on my Dad's lap, when other kids read comic books. But I didn't go into engineering. All I can tell you is anecdotally, I'm finding the fluid in the used Saab 9-5s I've bought (and these are the cherry pick ones) cleans up super fast, using the very simple technique I employ. There's just no comparison. This is the one thing an ordinary owner can do, where the job is done before you know it. Other, more elaborate approaches are costly and time consuming and tend to get deferred.
Properties of used automatic transmission fluid don't improve with age, but the system, all things considered, works better, the less you mess with it. Isn't this the reason transmissions in Minis are factory sealed? All I'm trying to do is, extract the "easy" dirt and reintroduce some of the properties of some new fluid. If you're going to convince me that mixing old with new has some serious downsides, I'm respectfully just asking for empirical studies.
posted by 75.66.66...
Posts in this Thread:
- Are there any Auto-Trans conditioning additives?, thewheell22 , Fri, 1 Jan 2021 10:57:07
- Twenty-five years working for GM's Hydra-matic, MI-Roger , Tue, 5 Jan 2021 10:17:571
- Re: Are there any Auto-Trans conditioning additives?, siwyjohn, Mon, 4 Jan 2021 01:34:40
- Re: Are there any Auto-Trans conditioning additives?, Boris Bubbanov, Sat, 2 Jan 2021 18:02:571
- Please don't use that crap!, jimmy, Sat, 2 Jan 2021 08:50:43
- Re: Are there any Auto-Trans conditioning additives?, JerseySaab , Fri, 1 Jan 2021 11:23:55
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