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 Changing Auto Transmission Gearbox Oil, 4 Speed auto

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TSJ Camp
post May 22 2017, 09:43 PM, updated 7y ago

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Just to clarify some issues regarding gearbox oil

Currently using Persona Elegance - old model (4 speed auto)

The manual book says to change gearbox oil at 40,000 km

But I got a few friends during discussion would advise me to change the gearbox oil at 20,000km regardless of the manual book says

Anyone here can clarify actually when we should actually replace our ATF or gearbox oil?
Chrix
post May 22 2017, 10:01 PM

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changing the oil every 2nd engine oil change interval is good and safe enough wink.gif
zeng
post May 22 2017, 10:18 PM

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I used to follow my mechanic recommendation of 20,000 km ATF change though factory recommends 40,000 km in Avanza 1.3L .

With Blotter spot test,I stretched it to 27,500 km and it works normally.

Finally changed it out to coincide with engine oil change.

Next change would probably upwards of 27,500 km.
scorgio
post May 22 2017, 10:33 PM

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I think 30k km would be fine.

Mine service booklet state 60k km, i change at 40-45k km.
acbc
post May 22 2017, 10:37 PM

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Change earlier because the weather here very hot and humid. Heat will kill AT prematurely.
zeng
post May 22 2017, 10:53 PM

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QUOTE(scorgio @ May 22 2017, 10:33 PM)
I think 30k km would be fine.

Mine service booklet state 60k km, i change at 40-45k km.
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Mind sharing your car brand/model and types of mineral/synthetic ATF recommended ?

scorgio
post May 22 2017, 11:03 PM

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QUOTE(zeng @ May 22 2017, 10:53 PM)
Mind sharing your car brand/model and types of mineral/synthetic ATF recommended ?
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It's a AISIN 5-spd auto gb.
The recommended ATF is Toyota Type-IV or equivalent.
But I'm using Shell Spirax S5.


roocarroll
post May 22 2017, 11:39 PM

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There is a dip stick for the gearbox oil on most cars. If you can't find it, refer to the manual. Pull it out and wipe it on a tissue or kitchen paper. It should be pink. If it is, check it again in a few months. If it's brown, you need to change it. If it's black, you might have a problem.
chemistry
post May 22 2017, 11:42 PM

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160,000km under normal driving conditions.
Here in Malaysia, hot & humid, dusty, frequent stop-go, hence deemed Severe Service.
Take 1 quarter from the normal service interval, 160k/4 = 40k , are we safe ?
therain01
post May 23 2017, 01:01 AM

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QUOTE(chemistry @ May 22 2017, 11:42 PM)
Attached Image

160,000km under normal driving conditions.
Here in Malaysia, hot & humid, dusty, frequent stop-go, hence deemed Severe Service.
Take 1 quarter from the normal service interval, 160k/4 = 40k , are we safe ?
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I would say other than temperature, the fluid type seems playing a major role too.take example dexron 3 seems able to last longer in terms of smell, and color. In the other hand SP fluid which works better with lock up clutch seems to change color more easily. I believe this suggest that dexron 3 is much more resistant to heat and oxidization.
dstl1128
post May 23 2017, 01:05 AM

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The color could remain and looks clear (not murky), but the oil quality degraded.
CarroTT
post May 23 2017, 09:58 AM

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Atf sp3 recommended change 20k.
When nearing 30k u will feel gearbox more heavy, oil become very black oredi.
chemistry
post May 23 2017, 10:11 AM

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QUOTE(CarroTT @ May 23 2017, 09:58 AM)
Atf sp3 recommended change 20k.
When nearing 30k u will feel gearbox more heavy, oil become very black oredi.
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i believe this only applies to cheapo atf . even branded name like Pennzxxx (not the USA one) also has crappy atf.
I'd like to advise all drivers, Gearbox is as important as engine but its fluid change interval is 2x-4x longer, please use better atf.
CarroTT
post May 23 2017, 10:50 AM

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QUOTE(chemistry @ May 23 2017, 10:11 AM)
i believe this only applies to cheapo atf . even branded name like Pennzxxx (not the USA one) also has crappy atf.
I'd like to advise all drivers, Gearbox is as important as engine but its fluid change interval is 2x-4x longer, please use better atf.
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Believe or not only persona owners using original SPIII will know whistling.gif


rcracer
post May 23 2017, 11:28 AM

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40k is fine, persona gearbox no problems , only proton gearbox with problem are perdana and wira 1.6, ancient cars, since then , hardly hear any problem in gen2 persona series , the last to use conventional gearbox

After that , all CVT

chemistry
post May 23 2017, 11:37 AM

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QUOTE(CarroTT @ May 23 2017, 10:50 AM)
Believe or not only persona owners using original SPIII will know  whistling.gif
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if that is the case, I would say the original SP-III is crappy ATF.
Sometimes original does not mean Good.

This post has been edited by chemistry: May 23 2017, 11:49 AM
zeng
post May 23 2017, 11:45 AM

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QUOTE(scorgio @ May 22 2017, 11:03 PM)
It's a AISIN 5-spd auto gb.
The recommended ATF is Toyota Type-IV or equivalent.
But I'm using Shell Spirax S5.
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I guess this semisyn(or is it fullsyn) Spirax S5 is probably more shear stable than a mineral Toyota Type IV.
Is S5 at 45k km still pinkish ?

theanswer
post May 23 2017, 02:45 PM

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QUOTE(rcracer @ May 23 2017, 11:28 AM)
40k is fine, persona gearbox no problems , only proton gearbox with problem are perdana and wira 1.6, ancient cars, since then , hardly hear any problem in gen2 persona series , the last to use conventional gearbox

After that , all CVT
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yep...quite sturdy..part of it maybe bcause of the size(more atf)..even for saga blm 1.3 use 4-5 bottle (cant remember).
rcracer
post May 23 2017, 03:09 PM

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QUOTE(theanswer @ May 23 2017, 02:45 PM)
yep...quite sturdy..part of it maybe bcause of the size(more atf)..even for saga blm 1.3 use 4-5 bottle (cant remember).
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Perhaps , don't even hear people saying installing external coolers to avoid any problems
scorgio
post May 23 2017, 09:16 PM

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QUOTE(zeng @ May 23 2017, 11:45 AM)
I guess this semisyn(or is it fullsyn) Spirax S5 is probably more shear stable than a mineral Toyota Type IV.
Is S5 at 45k km still pinkish ?
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Somewhat reddish black.
I drove up Genting almost every month.

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