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You're putting words in my mouth. Welcome to the block (ignore) party.

Your manual was written by lawyers, not engineers. That is what I keep trying to explain. If you are comfortable with the homogenization of oil viscosity recommendations across a temperature delta of 140F moving from a range of 3 to 5 different oil viscosities, down to a single viscosity of...

You keep taking your direction for vehicle service from the lawyers, and I'll keep taking mine from the Toyota Engineers. No need to litigate this any further. 👍

Yeah my 2022 Dealer Loaner GX460 still occasionally shifted firmly for seemingly no reason. Nearly always at light throttle. I suspect, like you, that it's just being a truck-ey transmission at that point. My loaner had under 3k miles on it.

Oldwolf already said it: "which manual?" If you take a manual from Europe or South America, your engine will have a broad range of recommended oil weights recommended based upon ambient temperature and use case. Most people are much closer to "severe use" than they realize. I.e. most American...

Haha. Well, yeah. You transmission *will* die after the fluid gets burned up. Self-fulfilling prophecy. Like saying the air in your lungs is lifetime air. Technically....it is if you don't keep breathing. It's just that your "lifetime" is over in the next 30-90 seconds. I changed my GX460's...

I use LG Platinum in my 2011 Subaru Outback 3.6R (5EAT/JATCO) with 172k mikes. Mixture of Valvoline Syn Import ATF (ATF-HP rated) and Idemitsu ATF-HP, all Idemitsu except for the last fluid change. Not a huge difference, aside from better WOT upshifts and better/smoother behavior when cold...

I have used Castrol 5w-30 Euro A3/B4 (HTHS of 3.5 or 3.6 IIRC). It's a BMW LL01 oil. It and the PUP 5w-30 are the smoothest by a fair margin. Hot or cold ambient.

Great info, Dave. Thank you!

I use a Gold Plug for oil drain on my GX460. It collects an observable amount of "fur" at each 5k OCI. Though small, I'm *HAPPY* to not have that slurry floating around my engine.

Good point, but I think it actually depends a lot on transmission tuning and shift logic. The Aisin 6 speed in my GX460 absolutely adores lugging the engine. Even when you're at 50% throttle in 6th gear, it will hold that gear indefinitely unless vehicle speed deteriorates. With TGMO 0w-20, you...

Same. They don't hurt. They probably help. I won't miss the $$ (got them on sale, anyway).

100%. Rest of World manual oil charts are written by Toyota Engineers. US manual oil charts are written by CAFE. It really is that simple. I'm in Texas and my 2017 GX460 (4.6L 1UR-FE) is "rated" for 0w-20, but absolutely runs smoother on Castrol Edge Ti 5w-30 and Penzzoil UP 5w-30. Additional...

My 2011 Subaru Outback 3.6R calls for a 9688. I use the 3593A as it is larger but still fits (I'm restricted on length and diameter). Can still get two FilterMags on the 3593A, if they are situated strategically.

I use Redline D4 ATF (Dex III) in my Lexus GX460. Mix that with the correct treat rate of Lubegard PS Protectant and the steering is literally better than new (directly compared recently to my new, 2200 mile loaner GX460 during service). Never used the flush.

My 2011 Subaru Outback 3.6R has always been hard on its PSF. I turkey-bastered the recto reservoir with Subaru ATF-HP every 5k OCI. Fluid stayed bright, translucent, cherry red all the time. Steering whine was ever present when it was hot and cold. Yes, it was bled; both by me and two different...

Originally Posted by ChiTDI I do the front and rear dif annually on my '14 Outback. Factory fill was ugly the first year, and the breaker bar was a necessity. I got a sale on Mobil1 75w90 and have used it exclusively. One and a half qt. for the front and .8 for the rear, easy job. I do feel a...

Originally Posted by dgjks6 The parts manual for my Porsche calls for mobilube PTX 75w90 in some places and Porsche brand 75w90 in others. Are these the same fluid? Which Porsche? My '99 996 C2 Cab 6-speed called for the same (and that's what I dumped out of it at roughly 47k miles; factory...

Originally Posted By: EricWalls I'll try an answer some questions here: I Paid $85,000 USD. for the car. It's a Heck of a lot a car for the money I think. My only regret is it not being a true 6-speed. Its the E-gear paddle shift. My daily driver is an 2002 E46 M3, so I'm familiar with the...

I owned an 07 Cobalt 2.2 ecotec. I ran syn 5w-30 according to the oil life monitor (wrong decision for long term performance), which usually ended up being close to 9-10k on OCIs with full syn oil and an M1 or Puro Syn filter. Filter always looked like [censored] at the end of an OCI (partially...