OCC Recommendation?

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If you're still using the same batch of factory fill Toyota WS, you might consider swapping it with something a bit fresher.

 

World Standard.
Also, change the eCTV fluid.

 

"What is WS?"

More to the point, it's Toyota's World Standard ATF.

 

It's a pretty easy service, about on par with an oil change. The transaxle fill and drain bolts are identical, are 10 mm hex socket head (recessed pocket, requires Allen-Key style tool). You can buy a 3/8" drive "socket" in that size, typically in a set for around $10~15. Do NOT try using an allen key on a pipe though, get a proper ratchet wrench socket. Torque on both is 29 foot pounds. They have aluminum washers, similar to oil pan drain bolt. Best to loosen the fill bolt first, just to make sure it's doable. I would recommend to have a long handled ratchet wrench, the bolts are a little stubborn.

The car should be (raised and) level when pouring in the new fluid. Proper level is basically when it starts coming back out. How you get it raised is up to you. A hoist would be sweet. Personnaly I put the whole car on jack stands. others have run the front up on ramps, raised the rear with a jack. Whatever you do, MAKE SURE IT'S SAFE.

You can't change the initial fill too soon. One year mark or 10K miles would be my recommendation. Subsequent changes are less important, just judging from color.

Regarding Oil Catch Can, I'm using a Moroso 85474 Air-Oil Separator (actually using two in series now). It's around $150~200 range. I suspect it's only moderately effective, which is one reason I've currently got two in series, to see what the second one scavenges.

There's OCC's for around $20~30 that are also reasonably effective, if installed carefully, and perhaps some extra media to catch more vapour. There's also one around $400~500, that's very effective, but yeah, very pricey, RX Performance.

 

What’s RX?

 

• Medicine for your car?? I've tried searching for that can, and it seems mired in controversy: hard to get, orders not filled, counterfeits abound. Seems like a very effective can, but...
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• Apologies for the bullets, not sure how it happened, can't get rid of it.

 

Drains are actually quite effective. I think his main concern was to keep the comparison test fair, ensure as much as possible was drained, and double check by opening it.. I've used nothing but the drain for a couple of years, no problems.