ATF WS

What does Methuselah mean?
Methuselah is a man that supposedly lived over 900 years. If the ATF in our GS350 is "lifetime fluid", I would like the lifetime number to be Methuselah's lifetime.

Basically I am saying the term "lifetime fluid" is meaningless.
 
It may not have WS approval from Toyota, but…

“Use AMSOIL Signature Series Fuel-Efficient Synthetic ATF in transmissions and other applications that require any of the following specifications:

Aisin-Warner AW-1; BMW 83 22 0 142 516, 83 22 2 152 426; Chrysler MOPAR* 68157995AA, SP-IV, 68218925AB; DSIH 6p805; Ford MERCON* LV, SP, ULV; GM DEXRON* HP, DEXRON* VI, ULV; Honda/Acura DW-1*, Type 3.0; Hyundai/Kia SP-IV, SPH-IV, SP-IV- RR, NWS-9638, SP4-M; JASO 1A-LV; JWS 3324; Mazda ATF FZ; Mercedes Benz 236.12, 236.14, 236.15, 236.41; Mitsubishi SP-IV, ATF J3, ATF-PA, ATF-MA1; Nissan Matic-S, Matic- W; Saab 93 165 147; Shell M-1375.4, M-1375.5, M-1375.6, M-L 12108; Toyota WS; Volvo 31256774; VW/Audi G 055 005, G 055 162, G 060 162; ZF S671 090 255.”

…which is good enough for me.

The Aisin AW-55 in my Volvos is known for being weak and failure prone in the 2001-2002 models (yeah, I know, I’ve got three).

And yet, using various fluids that are “recommended for use in” transmissions requiring T-IV, or JWS-3309, vs. actual Toyota approval, hasn’t really led to problems. All three cars have their original transmission. One of the cars has 268,000 miles on the original transmission. All three shift great.
They state they it can be used in MB's but people who have done it have had problems. You can go on a Benz forum and see owners saying Do Not use it and giving reasons.
 
They state they it can be used in MB's but people who have done it have had problems. You can go on a Benz forum and see owners saying Do Not use it and giving reasons.
Maybe they should have just mentioned the brands that it doesn't qualify for, a lot faster. I don't believe in these generic ATF, I'd rather go to the brand-specific type, don't see the reason to change at all.
 
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