Re: I mail order Aisin Type T-IV from Rock Auto - Saab 9-5 Bulletin Board - Saabnet.com
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Re: I mail order Aisin Type T-IV from Rock Auto
Posted by cheaptechs (more from cheaptechs) on Sun, 10 Jan 2021 11:33:07
In Reply to: Re: I mail order Aisin Type T-IV from Rock Auto, thewheell22 [Profile/Gallery]
, Sat, 9 Jan 2021 19:16:59
I agree with your approach - if the transmission is operating well with valvoline maxlife I'd say it is ok, plus I'm not entirely sure the 3309 is a full synthetic while valvoline maxlife is.
I'd recommend using one of the flush products - IIRC you add them for a short period prior to changing out your fluid, I think I used lubegard in the past with good results - they will remove varnish buildup from solenoids.
I have a Hyundai Sante Fe and Hyundai's ATF is outrageously priced $15/qt , so I used a combination of Valvoline Maxlife and some Mobil 3309 I had purchased for my Saab, if you look at the Maxlife the viscosity rating IIRC is thinner than 3309. Works just fine.
Lots of fud/misconceptions about ATF fluids, many are made from similar/identical base stocks and various additives are mixed in - friction modifiers may be the most critical to having the tranny shift in the same manner as oem fluid, the other addivies are stuff like anti corrosion, anti foam , most all modern ATFs have those.
IMO a full synthetic is a better choice as it is more tolerant of high temps before breaking down. I think with some of the makers you can buy straight ATF oil and then buy your own blend of additives, in essence creating your own specific formula.
I think Valvoline Maxlife is ok - but there are better multi tranny ATFs on the market.
posted by 70.59.11...
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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