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Mechanical Maintenance (Oil, Fluids, Break-In, Servicing) Everything related to the mechanical maintenance of the FR-S and BRZ |
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07-01-2014, 09:42 PM | #1 |
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AT Fluid Change?
So ive been reading around and theres not too many threads about those of us with AT's. I was wondering if there would be any benefit of switching my fluid from oem to Motul ATF. I saw that there was a MT diy for this but no AT. I read the service manual and this seems pretty doable, just some added steps that are not needed for MT. Also, I intend to change out the diff fluid and im assuming that ill be using Motul gear 300 for this, correct?
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07-07-2014, 03:06 AM | #2 | |
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07-09-2014, 12:33 AM | #3 |
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There are a few threads here that deal with the A/T. @kavanagh started Automatic Acceleration in Manual vs Auto modes, Stall/Torque Converter, SSP A960E Transmission Upgrades, @DeOppressorLiber, AT Fluid Suggestions, @Tye300, Automatic Transmission @devinclfalcons, Automatic Transmission Fluid Cooler. ?? @ connor_lol,
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07-09-2014, 12:55 AM | #4 |
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I'd like to know the change interval? I think MT is 60k but what about AT?
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07-09-2014, 04:17 AM | #5 |
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The transmission uses Toyota WS fluid. You can use aftermarket fluids which is compatible with the WS fluid.
Somebody here posted that they used Motul ATF with their AT. I just can't find the thread. I try to change my AT fluid every 5 track days or so, but I still use the Toyota WS fluid. I still stand on my opinion that the WS fluid doesn't like to be tracked though, it seems after 3 trackdays the the tranny does not engage as well with fresh fluid. Until I can make sure it is safe to use the motul fluid, I'll just keep using the WS.
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07-09-2014, 12:35 PM | #6 |
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The manual and my research says change the A/T fluid at 30000 miles.
Also redline D6, Amsoil, Sustina, all state WS compatible. Motul does not but numerous,SSP, shops and individuals all use it with no adverse effects. A member had a shop put in Redline D4 and it was NOT a good match. The shop put in the D6 once the mistake appeared. His car ran like crap. On that note has anyone had experience with BG fluids ? Sent from my iPhone using Tapatalk |
07-09-2014, 02:37 PM | #7 |
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For the auto trans, I would stick with OEM fluids.
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07-09-2014, 03:16 PM | #8 |
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In the respect of voiding the
A/T warranty, then yes stick with the WS. But members who have changed the fluid have reported smoother shifting etc. That is also why I haven't charged out and had my fluid changed. Waiting on a little more info. Sent from my iPhone using Tapatalk |
07-09-2014, 04:22 PM | #9 |
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hmmm, well I am no longer under warranty. im going to research different fluids, but I intend to change my fluid pretty soon. I haven't done it yet and im nearing 40k. im hoping for smoother shifts and whatnot
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07-10-2014, 09:09 AM | #10 |
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Any issues with your transmission yet? 40k seems high, if you enjoy spirited driving typically.
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07-10-2014, 09:34 AM | #11 |
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Drivetrain warranty is 5 years/60k in the US
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07-10-2014, 10:51 AM | #12 | |
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07-10-2014, 10:24 PM | #13 | ||
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forsure, I thought so but i just didnt remember. I think im just gonna take a gamble and swap the fluids anyways and see how well it performs. Like somebody said earlier, a lot of people are using Motul ATF with their ssp mods, so im probably going to do the same and see if there is any noticeable difference. |
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The Following User Says Thank You to Estey For This Useful Post: | aakash (07-11-2014) |
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